Home / 438,045.35-656,031.23-297,040.55

Finding the Fourth Proportional to 438,045.35, 656,031.23 and 297,040.55

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Solution

The fourth proportional to 438,045.35, 656,031.23 and 297,040.55 is: 444,857.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,045.35 : 656,031.23 = 297,040.55 : x
  2. Step 2: Convert to fraction form
    438,045.35/656,031.23 = 297,040.55/x
  3. Step 3: Cross multiply
    438,045.35x = 656,031.23 × 297,040.55
  4. Step 4: Simplify right side
    438,045.35x = 194,867,875,891.17
  5. Step 5: Solve for x
    x = 194,867,875,891.17/438,045.35
  6. Step 6: Final answer
    x = 444,857.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.