Home / 820,587.47-1,132,467.77-458,082.10

Finding the Fourth Proportional to 820,587.47, 1,132,467.77 and 458,082.10

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Solution

The fourth proportional to 820,587.47, 1,132,467.77 and 458,082.10 is: 632,185.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,587.47 : 1,132,467.77 = 458,082.10 : x
  2. Step 2: Convert to fraction form
    820,587.47/1,132,467.77 = 458,082.10/x
  3. Step 3: Cross multiply
    820,587.47x = 1,132,467.77 × 458,082.10
  4. Step 4: Simplify right side
    820,587.47x = 518,763,206,311.17
  5. Step 5: Solve for x
    x = 518,763,206,311.17/820,587.47
  6. Step 6: Final answer
    x = 632,185.14

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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.