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Finding the Fourth Proportional to 656,952.90, 985,429.35 and 550,664.70

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Solution

The fourth proportional to 656,952.90, 985,429.35 and 550,664.70 is: 825,997.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,952.90 : 985,429.35 = 550,664.70 : x
  2. Step 2: Convert to fraction form
    656,952.90/985,429.35 = 550,664.70/x
  3. Step 3: Cross multiply
    656,952.90x = 985,429.35 × 550,664.70
  4. Step 4: Simplify right side
    656,952.90x = 542,641,157,388.95
  5. Step 5: Solve for x
    x = 542,641,157,388.95/656,952.90
  6. Step 6: Final answer
    x = 825,997.05

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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.