Home / 770,695.16-1,156,153.45-238,257.70

Finding the Fourth Proportional to 770,695.16, 1,156,153.45 and 238,257.70

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Solution

The fourth proportional to 770,695.16, 1,156,153.45 and 238,257.70 is: 357,420.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,695.16 : 1,156,153.45 = 238,257.70 : x
  2. Step 2: Convert to fraction form
    770,695.16/1,156,153.45 = 238,257.70/x
  3. Step 3: Cross multiply
    770,695.16x = 1,156,153.45 × 238,257.70
  4. Step 4: Simplify right side
    770,695.16x = 275,462,465,308.13
  5. Step 5: Solve for x
    x = 275,462,465,308.13/770,695.16
  6. Step 6: Final answer
    x = 357,420.78

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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.