Home / 731,977.62-1,010,128.94-409,687.70

Finding the Fourth Proportional to 731,977.62, 1,010,128.94 and 409,687.70

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Solution

The fourth proportional to 731,977.62, 1,010,128.94 and 409,687.70 is: 565,368.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,977.62 : 1,010,128.94 = 409,687.70 : x
  2. Step 2: Convert to fraction form
    731,977.62/1,010,128.94 = 409,687.70/x
  3. Step 3: Cross multiply
    731,977.62x = 1,010,128.94 × 409,687.70
  4. Step 4: Simplify right side
    731,977.62x = 413,837,402,132.04
  5. Step 5: Solve for x
    x = 413,837,402,132.04/731,977.62
  6. Step 6: Final answer
    x = 565,368.93

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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.