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Finding the Fourth Proportional to 475,396.17, 656,031.87 and 260,532.33

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Solution

The fourth proportional to 475,396.17, 656,031.87 and 260,532.33 is: 359,526.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,396.17 : 656,031.87 = 260,532.33 : x
  2. Step 2: Convert to fraction form
    475,396.17/656,031.87 = 260,532.33/x
  3. Step 3: Cross multiply
    475,396.17x = 656,031.87 × 260,532.33
  4. Step 4: Simplify right side
    475,396.17x = 170,917,511,645.36
  5. Step 5: Solve for x
    x = 170,917,511,645.36/475,396.17
  6. Step 6: Final answer
    x = 359,526.48

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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.