Home / 662,931.12-914,840.20-361,125.20

Finding the Fourth Proportional to 662,931.12, 914,840.20 and 361,125.20

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Solution

The fourth proportional to 662,931.12, 914,840.20 and 361,125.20 is: 498,350.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,931.12 : 914,840.20 = 361,125.20 : x
  2. Step 2: Convert to fraction form
    662,931.12/914,840.20 = 361,125.20/x
  3. Step 3: Cross multiply
    662,931.12x = 914,840.20 × 361,125.20
  4. Step 4: Simplify right side
    662,931.12x = 330,371,850,193.04
  5. Step 5: Solve for x
    x = 330,371,850,193.04/662,931.12
  6. Step 6: Final answer
    x = 498,350.19

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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.