Home / 475,028.10-655,514.22-260,126.70

Finding the Fourth Proportional to 475,028.10, 655,514.22 and 260,126.70

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Solution

The fourth proportional to 475,028.10, 655,514.22 and 260,126.70 is: 358,961.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,028.10 : 655,514.22 = 260,126.70 : x
  2. Step 2: Convert to fraction form
    475,028.10/655,514.22 = 260,126.70/x
  3. Step 3: Cross multiply
    475,028.10x = 655,514.22 × 260,126.70
  4. Step 4: Simplify right side
    475,028.10x = 170,516,750,851.67
  5. Step 5: Solve for x
    x = 170,516,750,851.67/475,028.10
  6. Step 6: Final answer
    x = 358,961.40

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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.