Home / 725,785.12-1,001,526.72-403,475.56

Finding the Fourth Proportional to 725,785.12, 1,001,526.72 and 403,475.56

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Solution

The fourth proportional to 725,785.12, 1,001,526.72 and 403,475.56 is: 556,764.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,785.12 : 1,001,526.72 = 403,475.56 : x
  2. Step 2: Convert to fraction form
    725,785.12/1,001,526.72 = 403,475.56/x
  3. Step 3: Cross multiply
    725,785.12x = 1,001,526.72 × 403,475.56
  4. Step 4: Simplify right side
    725,785.12x = 404,091,554,206.96
  5. Step 5: Solve for x
    x = 404,091,554,206.96/725,785.12
  6. Step 6: Final answer
    x = 556,764.73

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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.