Home / 747,971.34-1,032,204.24-408,439.62

Finding the Fourth Proportional to 747,971.34, 1,032,204.24 and 408,439.62

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Solution

The fourth proportional to 747,971.34, 1,032,204.24 and 408,439.62 is: 563,648.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,971.34 : 1,032,204.24 = 408,439.62 : x
  2. Step 2: Convert to fraction form
    747,971.34/1,032,204.24 = 408,439.62/x
  3. Step 3: Cross multiply
    747,971.34x = 1,032,204.24 × 408,439.62
  4. Step 4: Simplify right side
    747,971.34x = 421,593,107,547.99
  5. Step 5: Solve for x
    x = 421,593,107,547.99/747,971.34
  6. Step 6: Final answer
    x = 563,648.75

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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.