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Finding the Fourth Proportional to 614,337.20, 847,715.25 and 356,160.29

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Solution

The fourth proportional to 614,337.20, 847,715.25 and 356,160.29 is: 491,460.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,337.20 : 847,715.25 = 356,160.29 : x
  2. Step 2: Convert to fraction form
    614,337.20/847,715.25 = 356,160.29/x
  3. Step 3: Cross multiply
    614,337.20x = 847,715.25 × 356,160.29
  4. Step 4: Simplify right side
    614,337.20x = 301,922,505,038.85
  5. Step 5: Solve for x
    x = 301,922,505,038.85/614,337.20
  6. Step 6: Final answer
    x = 491,460.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.