Home / 731,942.80-1,010,080.95-409,652.88

Finding the Fourth Proportional to 731,942.80, 1,010,080.95 and 409,652.88

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Solution

The fourth proportional to 731,942.80, 1,010,080.95 and 409,652.88 is: 565,320.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,942.80 : 1,010,080.95 = 409,652.88 : x
  2. Step 2: Convert to fraction form
    731,942.80/1,010,080.95 = 409,652.88/x
  3. Step 3: Cross multiply
    731,942.80x = 1,010,080.95 × 409,652.88
  4. Step 4: Simplify right side
    731,942.80x = 413,782,564,876.63
  5. Step 5: Solve for x
    x = 413,782,564,876.63/731,942.80
  6. Step 6: Final answer
    x = 565,320.91

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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.