Home / 763,914.60-1,145,115.90-337,681.80

Finding the Fourth Proportional to 763,914.60, 1,145,115.90 and 337,681.80

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Solution

The fourth proportional to 763,914.60, 1,145,115.90 and 337,681.80 is: 506,188.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,914.60 : 1,145,115.90 = 337,681.80 : x
  2. Step 2: Convert to fraction form
    763,914.60/1,145,115.90 = 337,681.80/x
  3. Step 3: Cross multiply
    763,914.60x = 1,145,115.90 × 337,681.80
  4. Step 4: Simplify right side
    763,914.60x = 386,684,798,320.62
  5. Step 5: Solve for x
    x = 386,684,798,320.62/763,914.60
  6. Step 6: Final answer
    x = 506,188.52

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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.