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Finding the Fourth Proportional to 637,909.40, 956,864.10 and 536,432.60

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Solution

The fourth proportional to 637,909.40, 956,864.10 and 536,432.60 is: 804,648.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,909.40 : 956,864.10 = 536,432.60 : x
  2. Step 2: Convert to fraction form
    637,909.40/956,864.10 = 536,432.60/x
  3. Step 3: Cross multiply
    637,909.40x = 956,864.10 × 536,432.60
  4. Step 4: Simplify right side
    637,909.40x = 513,293,097,009.66
  5. Step 5: Solve for x
    x = 513,293,097,009.66/637,909.40
  6. Step 6: Final answer
    x = 804,648.90

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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.