Home / 820,531.22-1,132,390.01-458,025.71

Finding the Fourth Proportional to 820,531.22, 1,132,390.01 and 458,025.71

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Solution

The fourth proportional to 820,531.22, 1,132,390.01 and 458,025.71 is: 632,107.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,531.22 : 1,132,390.01 = 458,025.71 : x
  2. Step 2: Convert to fraction form
    820,531.22/1,132,390.01 = 458,025.71/x
  3. Step 3: Cross multiply
    820,531.22x = 1,132,390.01 × 458,025.71
  4. Step 4: Simplify right side
    820,531.22x = 518,663,736,037.03
  5. Step 5: Solve for x
    x = 518,663,736,037.03/820,531.22
  6. Step 6: Final answer
    x = 632,107.25

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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.