Home / 942,732.88-1,300,998.76-513,040.72

Finding the Fourth Proportional to 942,732.88, 1,300,998.76 and 513,040.72

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Solution

The fourth proportional to 942,732.88, 1,300,998.76 and 513,040.72 is: 708,011.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,732.88 : 1,300,998.76 = 513,040.72 : x
  2. Step 2: Convert to fraction form
    942,732.88/1,300,998.76 = 513,040.72/x
  3. Step 3: Cross multiply
    942,732.88x = 1,300,998.76 × 513,040.72
  4. Step 4: Simplify right side
    942,732.88x = 667,465,340,549.51
  5. Step 5: Solve for x
    x = 667,465,340,549.51/942,732.88
  6. Step 6: Final answer
    x = 708,011.10

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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.