Home / 838,031.27-1,156,509.39-475,470.41

Finding the Fourth Proportional to 838,031.27, 1,156,509.39 and 475,470.41

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Solution

The fourth proportional to 838,031.27, 1,156,509.39 and 475,470.41 is: 656,164.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,031.27 : 1,156,509.39 = 475,470.41 : x
  2. Step 2: Convert to fraction form
    838,031.27/1,156,509.39 = 475,470.41/x
  3. Step 3: Cross multiply
    838,031.27x = 1,156,509.39 × 475,470.41
  4. Step 4: Simplify right side
    838,031.27x = 549,885,988,049.60
  5. Step 5: Solve for x
    x = 549,885,988,049.60/838,031.27
  6. Step 6: Final answer
    x = 656,164.05

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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.