Home / 690,322.78-1,035,531.10-234,728.46

Finding the Fourth Proportional to 690,322.78, 1,035,531.10 and 234,728.46

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Solution

The fourth proportional to 690,322.78, 1,035,531.10 and 234,728.46 is: 352,108.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,322.78 : 1,035,531.10 = 234,728.46 : x
  2. Step 2: Convert to fraction form
    690,322.78/1,035,531.10 = 234,728.46/x
  3. Step 3: Cross multiply
    690,322.78x = 1,035,531.10 × 234,728.46
  4. Step 4: Simplify right side
    690,322.78x = 243,068,620,385.11
  5. Step 5: Solve for x
    x = 243,068,620,385.11/690,322.78
  6. Step 6: Final answer
    x = 352,108.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.