Home / 649,172.38-896,107.90-581,069.20

Finding the Fourth Proportional to 649,172.38, 896,107.90 and 581,069.20

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Solution

The fourth proportional to 649,172.38, 896,107.90 and 581,069.20 is: 802,099.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,172.38 : 896,107.90 = 581,069.20 : x
  2. Step 2: Convert to fraction form
    649,172.38/896,107.90 = 581,069.20/x
  3. Step 3: Cross multiply
    649,172.38x = 896,107.90 × 581,069.20
  4. Step 4: Simplify right side
    649,172.38x = 520,700,700,566.68
  5. Step 5: Solve for x
    x = 520,700,700,566.68/649,172.38
  6. Step 6: Final answer
    x = 802,099.28

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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.