Home / 730,557.78-1,008,153.01-408,297.86

Finding the Fourth Proportional to 730,557.78, 1,008,153.01 and 408,297.86

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Solution

The fourth proportional to 730,557.78, 1,008,153.01 and 408,297.86 is: 563,441.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,557.78 : 1,008,153.01 = 408,297.86 : x
  2. Step 2: Convert to fraction form
    730,557.78/1,008,153.01 = 408,297.86/x
  3. Step 3: Cross multiply
    730,557.78x = 1,008,153.01 × 408,297.86
  4. Step 4: Simplify right side
    730,557.78x = 411,626,720,308.26
  5. Step 5: Solve for x
    x = 411,626,720,308.26/730,557.78
  6. Step 6: Final answer
    x = 563,441.70

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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.