Home / 712,538.92-1,068,860.22-239,220.28

Finding the Fourth Proportional to 712,538.92, 1,068,860.22 and 239,220.28

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Solution

The fourth proportional to 712,538.92, 1,068,860.22 and 239,220.28 is: 358,847.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,538.92 : 1,068,860.22 = 239,220.28 : x
  2. Step 2: Convert to fraction form
    712,538.92/1,068,860.22 = 239,220.28/x
  3. Step 3: Cross multiply
    712,538.92x = 1,068,860.22 × 239,220.28
  4. Step 4: Simplify right side
    712,538.92x = 255,693,041,109.26
  5. Step 5: Solve for x
    x = 255,693,041,109.26/712,538.92
  6. Step 6: Final answer
    x = 358,847.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.