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Finding the Fourth Proportional to 509,913.76, 703,262.08 and 452,594.88

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Solution

The fourth proportional to 509,913.76, 703,262.08 and 452,594.88 is: 624,209.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,913.76 : 703,262.08 = 452,594.88 : x
  2. Step 2: Convert to fraction form
    509,913.76/703,262.08 = 452,594.88/x
  3. Step 3: Cross multiply
    509,913.76x = 703,262.08 × 452,594.88
  4. Step 4: Simplify right side
    509,913.76x = 318,292,816,706.15
  5. Step 5: Solve for x
    x = 318,292,816,706.15/509,913.76
  6. Step 6: Final answer
    x = 624,209.11

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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.