Home / 749,681.49-1,034,693.64-443,927.61

Finding the Fourth Proportional to 749,681.49, 1,034,693.64 and 443,927.61

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Solution

The fourth proportional to 749,681.49, 1,034,693.64 and 443,927.61 is: 612,698.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,681.49 : 1,034,693.64 = 443,927.61 : x
  2. Step 2: Convert to fraction form
    749,681.49/1,034,693.64 = 443,927.61/x
  3. Step 3: Cross multiply
    749,681.49x = 1,034,693.64 × 443,927.61
  4. Step 4: Simplify right side
    749,681.49x = 459,329,074,687.40
  5. Step 5: Solve for x
    x = 459,329,074,687.40/749,681.49
  6. Step 6: Final answer
    x = 612,698.97

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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.