Home / 484,272.80-724,681.20-306,864.80

Finding the Fourth Proportional to 484,272.80, 724,681.20 and 306,864.80

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Solution

The fourth proportional to 484,272.80, 724,681.20 and 306,864.80 is: 459,202.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,272.80 : 724,681.20 = 306,864.80 : x
  2. Step 2: Convert to fraction form
    484,272.80/724,681.20 = 306,864.80/x
  3. Step 3: Cross multiply
    484,272.80x = 724,681.20 × 306,864.80
  4. Step 4: Simplify right side
    484,272.80x = 222,379,151,501.76
  5. Step 5: Solve for x
    x = 222,379,151,501.76/484,272.80
  6. Step 6: Final answer
    x = 459,202.23

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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.