Home / 747,605.10-1,031,658.75-408,053.10

Finding the Fourth Proportional to 747,605.10, 1,031,658.75 and 408,053.10

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Solution

The fourth proportional to 747,605.10, 1,031,658.75 and 408,053.10 is: 563,093.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,605.10 : 1,031,658.75 = 408,053.10 : x
  2. Step 2: Convert to fraction form
    747,605.10/1,031,658.75 = 408,053.10/x
  3. Step 3: Cross multiply
    747,605.10x = 1,031,658.75 × 408,053.10
  4. Step 4: Simplify right side
    747,605.10x = 420,971,551,079.63
  5. Step 5: Solve for x
    x = 420,971,551,079.63/747,605.10
  6. Step 6: Final answer
    x = 563,093.47

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.