Home / 747,333.36-1,031,310.36-407,795.76

Finding the Fourth Proportional to 747,333.36, 1,031,310.36 and 407,795.76

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Solution

The fourth proportional to 747,333.36, 1,031,310.36 and 407,795.76 is: 562,752.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,333.36 : 1,031,310.36 = 407,795.76 : x
  2. Step 2: Convert to fraction form
    747,333.36/1,031,310.36 = 407,795.76/x
  3. Step 3: Cross multiply
    747,333.36x = 1,031,310.36 × 407,795.76
  4. Step 4: Simplify right side
    747,333.36x = 420,563,992,052.07
  5. Step 5: Solve for x
    x = 420,563,992,052.07/747,333.36
  6. Step 6: Final answer
    x = 562,752.87

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Double scale
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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.