Home / 662,929.12-914,837.44-361,123.20

Finding the Fourth Proportional to 662,929.12, 914,837.44 and 361,123.20

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Solution

The fourth proportional to 662,929.12, 914,837.44 and 361,123.20 is: 498,347.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,929.12 : 914,837.44 = 361,123.20 : x
  2. Step 2: Convert to fraction form
    662,929.12/914,837.44 = 361,123.20/x
  3. Step 3: Cross multiply
    662,929.12x = 914,837.44 × 361,123.20
  4. Step 4: Simplify right side
    662,929.12x = 330,369,023,812.61
  5. Step 5: Solve for x
    x = 330,369,023,812.61/662,929.12
  6. Step 6: Final answer
    x = 498,347.43

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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.