Home / 837,414.36-1,155,609.91-488,621.47

Finding the Fourth Proportional to 837,414.36, 1,155,609.91 and 488,621.47

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Solution

The fourth proportional to 837,414.36, 1,155,609.91 and 488,621.47 is: 674,284.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,414.36 : 1,155,609.91 = 488,621.47 : x
  2. Step 2: Convert to fraction form
    837,414.36/1,155,609.91 = 488,621.47/x
  3. Step 3: Cross multiply
    837,414.36x = 1,155,609.91 × 488,621.47
  4. Step 4: Simplify right side
    837,414.36x = 564,655,812,970.77
  5. Step 5: Solve for x
    x = 564,655,812,970.77/837,414.36
  6. Step 6: Final answer
    x = 674,284.85

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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.