Home / 869,232.60-1,304,432.10-513,869.40

Finding the Fourth Proportional to 869,232.60, 1,304,432.10 and 513,869.40

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Solution

The fourth proportional to 869,232.60, 1,304,432.10 and 513,869.40 is: 771,148.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,232.60 : 1,304,432.10 = 513,869.40 : x
  2. Step 2: Convert to fraction form
    869,232.60/1,304,432.10 = 513,869.40/x
  3. Step 3: Cross multiply
    869,232.60x = 1,304,432.10 × 513,869.40
  4. Step 4: Simplify right side
    869,232.60x = 670,307,740,567.74
  5. Step 5: Solve for x
    x = 670,307,740,567.74/869,232.60
  6. Step 6: Final answer
    x = 771,148.87

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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.