Home / 942,732.80-1,300,998.40-513,040.16

Finding the Fourth Proportional to 942,732.80, 1,300,998.40 and 513,040.16

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Solution

The fourth proportional to 942,732.80, 1,300,998.40 and 513,040.16 is: 708,010.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,732.80 : 1,300,998.40 = 513,040.16 : x
  2. Step 2: Convert to fraction form
    942,732.80/1,300,998.40 = 513,040.16/x
  3. Step 3: Cross multiply
    942,732.80x = 1,300,998.40 × 513,040.16
  4. Step 4: Simplify right side
    942,732.80x = 667,464,427,295.74
  5. Step 5: Solve for x
    x = 667,464,427,295.74/942,732.80
  6. Step 6: Final answer
    x = 708,010.19

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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.