Home / 763,432.10-1,145,148.15-698,113.70

Finding the Fourth Proportional to 763,432.10, 1,145,148.15 and 698,113.70

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Solution

The fourth proportional to 763,432.10, 1,145,148.15 and 698,113.70 is: 1,047,170.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,432.10 : 1,145,148.15 = 698,113.70 : x
  2. Step 2: Convert to fraction form
    763,432.10/1,145,148.15 = 698,113.70/x
  3. Step 3: Cross multiply
    763,432.10x = 1,145,148.15 × 698,113.70
  4. Step 4: Simplify right side
    763,432.10x = 799,443,612,044.66
  5. Step 5: Solve for x
    x = 799,443,612,044.66/763,432.10
  6. Step 6: Final answer
    x = 1,047,170.55

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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.