Home / 838,013.49-1,156,484.85-475,452.63

Finding the Fourth Proportional to 838,013.49, 1,156,484.85 and 475,452.63

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Solution

The fourth proportional to 838,013.49, 1,156,484.85 and 475,452.63 is: 656,139.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,013.49 : 1,156,484.85 = 475,452.63 : x
  2. Step 2: Convert to fraction form
    838,013.49/1,156,484.85 = 475,452.63/x
  3. Step 3: Cross multiply
    838,013.49x = 1,156,484.85 × 475,452.63
  4. Step 4: Simplify right side
    838,013.49x = 549,853,763,487.66
  5. Step 5: Solve for x
    x = 549,853,763,487.66/838,013.49
  6. Step 6: Final answer
    x = 656,139.51

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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.