Home / 432,532.68-648,938.04-207,909.40

Finding the Fourth Proportional to 432,532.68, 648,938.04 and 207,909.40

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Solution

The fourth proportional to 432,532.68, 648,938.04 and 207,909.40 is: 311,930.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,532.68 : 648,938.04 = 207,909.40 : x
  2. Step 2: Convert to fraction form
    432,532.68/648,938.04 = 207,909.40/x
  3. Step 3: Cross multiply
    432,532.68x = 648,938.04 × 207,909.40
  4. Step 4: Simplify right side
    432,532.68x = 134,920,318,533.58
  5. Step 5: Solve for x
    x = 134,920,318,533.58/432,532.68
  6. Step 6: Final answer
    x = 311,930.92

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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.