Home / 614,145.03-847,508.67-342,207.15

Finding the Fourth Proportional to 614,145.03, 847,508.67 and 342,207.15

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Solution

The fourth proportional to 614,145.03, 847,508.67 and 342,207.15 is: 472,239.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,145.03 : 847,508.67 = 342,207.15 : x
  2. Step 2: Convert to fraction form
    614,145.03/847,508.67 = 342,207.15/x
  3. Step 3: Cross multiply
    614,145.03x = 847,508.67 × 342,207.15
  4. Step 4: Simplify right side
    614,145.03x = 290,023,526,560.99
  5. Step 5: Solve for x
    x = 290,023,526,560.99/614,145.03
  6. Step 6: Final answer
    x = 472,239.48

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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.