Home / 730,469.80-1,008,028.99-408,182.55

Finding the Fourth Proportional to 730,469.80, 1,008,028.99 and 408,182.55

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Solution

The fourth proportional to 730,469.80, 1,008,028.99 and 408,182.55 is: 563,281.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,469.80 : 1,008,028.99 = 408,182.55 : x
  2. Step 2: Convert to fraction form
    730,469.80/1,008,028.99 = 408,182.55/x
  3. Step 3: Cross multiply
    730,469.80x = 1,008,028.99 × 408,182.55
  4. Step 4: Simplify right side
    730,469.80x = 411,459,836,531.07
  5. Step 5: Solve for x
    x = 411,459,836,531.07/730,469.80
  6. Step 6: Final answer
    x = 563,281.11

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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.