Home / 482,777.71-724,292.75-280,179.05

Finding the Fourth Proportional to 482,777.71, 724,292.75 and 280,179.05

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Solution

The fourth proportional to 482,777.71, 724,292.75 and 280,179.05 is: 420,341.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,777.71 : 724,292.75 = 280,179.05 : x
  2. Step 2: Convert to fraction form
    482,777.71/724,292.75 = 280,179.05/x
  3. Step 3: Cross multiply
    482,777.71x = 724,292.75 × 280,179.05
  4. Step 4: Simplify right side
    482,777.71x = 202,931,657,128.07
  5. Step 5: Solve for x
    x = 202,931,657,128.07/482,777.71
  6. Step 6: Final answer
    x = 420,341.81

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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.