Home / 753,252.61-1,039,508.90-443,176.84

Finding the Fourth Proportional to 753,252.61, 1,039,508.90 and 443,176.84

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Solution

The fourth proportional to 753,252.61, 1,039,508.90 and 443,176.84 is: 611,595.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,252.61 : 1,039,508.90 = 443,176.84 : x
  2. Step 2: Convert to fraction form
    753,252.61/1,039,508.90 = 443,176.84/x
  3. Step 3: Cross multiply
    753,252.61x = 1,039,508.90 × 443,176.84
  4. Step 4: Simplify right side
    753,252.61x = 460,686,269,262.43
  5. Step 5: Solve for x
    x = 460,686,269,262.43/753,252.61
  6. Step 6: Final answer
    x = 611,595.98

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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.