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Finding the Fourth Proportional to 655,890.90, 984,009.15 and 235,122.90

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Solution

The fourth proportional to 655,890.90, 984,009.15 and 235,122.90 is: 352,746.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,890.90 : 984,009.15 = 235,122.90 : x
  2. Step 2: Convert to fraction form
    655,890.90/984,009.15 = 235,122.90/x
  3. Step 3: Cross multiply
    655,890.90x = 984,009.15 × 235,122.90
  4. Step 4: Simplify right side
    655,890.90x = 231,363,084,974.54
  5. Step 5: Solve for x
    x = 231,363,084,974.54/655,890.90
  6. Step 6: Final answer
    x = 352,746.30

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1.5x scale

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.