Home / 739,713.62-1,020,774.20-467,929.46

Finding the Fourth Proportional to 739,713.62, 1,020,774.20 and 467,929.46

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Solution

The fourth proportional to 739,713.62, 1,020,774.20 and 467,929.46 is: 645,723.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,713.62 : 1,020,774.20 = 467,929.46 : x
  2. Step 2: Convert to fraction form
    739,713.62/1,020,774.20 = 467,929.46/x
  3. Step 3: Cross multiply
    739,713.62x = 1,020,774.20 × 467,929.46
  4. Step 4: Simplify right side
    739,713.62x = 477,650,320,187.93
  5. Step 5: Solve for x
    x = 477,650,320,187.93/739,713.62
  6. Step 6: Final answer
    x = 645,723.30

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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.