Home / 887,426.05-1,224,647.92-479,527.88

Finding the Fourth Proportional to 887,426.05, 1,224,647.92 and 479,527.88

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Solution

The fourth proportional to 887,426.05, 1,224,647.92 and 479,527.88 is: 661,748.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,426.05 : 1,224,647.92 = 479,527.88 : x
  2. Step 2: Convert to fraction form
    887,426.05/1,224,647.92 = 479,527.88/x
  3. Step 3: Cross multiply
    887,426.05x = 1,224,647.92 × 479,527.88
  4. Step 4: Simplify right side
    887,426.05x = 587,252,822,022.83
  5. Step 5: Solve for x
    x = 587,252,822,022.83/887,426.05
  6. Step 6: Final answer
    x = 661,748.46

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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.