Home / 475,288.17-655,897.59-260,436.30

Finding the Fourth Proportional to 475,288.17, 655,897.59 and 260,436.30

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Solution

The fourth proportional to 475,288.17, 655,897.59 and 260,436.30 is: 359,402.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,288.17 : 655,897.59 = 260,436.30 : x
  2. Step 2: Convert to fraction form
    475,288.17/655,897.59 = 260,436.30/x
  3. Step 3: Cross multiply
    475,288.17x = 655,897.59 × 260,436.30
  4. Step 4: Simplify right side
    475,288.17x = 170,819,541,518.52
  5. Step 5: Solve for x
    x = 170,819,541,518.52/475,288.17
  6. Step 6: Final answer
    x = 359,402.05

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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.