Home / 731,921.10-1,010,050.97-409,631.18

Finding the Fourth Proportional to 731,921.10, 1,010,050.97 and 409,631.18

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Solution

The fourth proportional to 731,921.10, 1,010,050.97 and 409,631.18 is: 565,290.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,921.10 : 1,010,050.97 = 409,631.18 : x
  2. Step 2: Convert to fraction form
    731,921.10/1,010,050.97 = 409,631.18/x
  3. Step 3: Cross multiply
    731,921.10x = 1,010,050.97 × 409,631.18
  4. Step 4: Simplify right side
    731,921.10x = 413,748,363,602.83
  5. Step 5: Solve for x
    x = 413,748,363,602.83/731,921.10
  6. Step 6: Final answer
    x = 565,290.94

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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.