Home / 690,323.78-1,035,532.60-234,729.46

Finding the Fourth Proportional to 690,323.78, 1,035,532.60 and 234,729.46

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Solution

The fourth proportional to 690,323.78, 1,035,532.60 and 234,729.46 is: 352,110.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,323.78 : 1,035,532.60 = 234,729.46 : x
  2. Step 2: Convert to fraction form
    690,323.78/1,035,532.60 = 234,729.46/x
  3. Step 3: Cross multiply
    690,323.78x = 1,035,532.60 × 234,729.46
  4. Step 4: Simplify right side
    690,323.78x = 243,070,008,010.40
  5. Step 5: Solve for x
    x = 243,070,008,010.40/690,323.78
  6. Step 6: Final answer
    x = 352,110.15

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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.