Home / 838,013.45-1,156,484.79-475,452.59

Finding the Fourth Proportional to 838,013.45, 1,156,484.79 and 475,452.59

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Solution

The fourth proportional to 838,013.45, 1,156,484.79 and 475,452.59 is: 656,139.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,013.45 : 1,156,484.79 = 475,452.59 : x
  2. Step 2: Convert to fraction form
    838,013.45/1,156,484.79 = 475,452.59/x
  3. Step 3: Cross multiply
    838,013.45x = 1,156,484.79 × 475,452.59
  4. Step 4: Simplify right side
    838,013.45x = 549,853,682,918.68
  5. Step 5: Solve for x
    x = 549,853,682,918.68/838,013.45
  6. Step 6: Final answer
    x = 656,139.45

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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.