Home / 475,028.60-655,514.91-260,127.20

Finding the Fourth Proportional to 475,028.60, 655,514.91 and 260,127.20

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Solution

The fourth proportional to 475,028.60, 655,514.91 and 260,127.20 is: 358,962.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,028.60 : 655,514.91 = 260,127.20 : x
  2. Step 2: Convert to fraction form
    475,028.60/655,514.91 = 260,127.20/x
  3. Step 3: Cross multiply
    475,028.60x = 655,514.91 × 260,127.20
  4. Step 4: Simplify right side
    475,028.60x = 170,517,254,818.98
  5. Step 5: Solve for x
    x = 170,517,254,818.98/475,028.60
  6. Step 6: Final answer
    x = 358,962.08

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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.