Home / 482,384.16-724,009.92-257,936.44

Finding the Fourth Proportional to 482,384.16, 724,009.92 and 257,936.44

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Solution

The fourth proportional to 482,384.16, 724,009.92 and 257,936.44 is: 387,136.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,384.16 : 724,009.92 = 257,936.44 : x
  2. Step 2: Convert to fraction form
    482,384.16/724,009.92 = 257,936.44/x
  3. Step 3: Cross multiply
    482,384.16x = 724,009.92 × 257,936.44
  4. Step 4: Simplify right side
    482,384.16x = 186,748,541,289.49
  5. Step 5: Solve for x
    x = 186,748,541,289.49/482,384.16
  6. Step 6: Final answer
    x = 387,136.55

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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.