Home / 971,000.10-1,456,500.15-617,580.90

Finding the Fourth Proportional to 971,000.10, 1,456,500.15 and 617,580.90

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Solution

The fourth proportional to 971,000.10, 1,456,500.15 and 617,580.90 is: 926,371.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,000.10 : 1,456,500.15 = 617,580.90 : x
  2. Step 2: Convert to fraction form
    971,000.10/1,456,500.15 = 617,580.90/x
  3. Step 3: Cross multiply
    971,000.10x = 1,456,500.15 × 617,580.90
  4. Step 4: Simplify right side
    971,000.10x = 899,506,673,487.14
  5. Step 5: Solve for x
    x = 899,506,673,487.14/971,000.10
  6. Step 6: Final answer
    x = 926,371.35

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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.