Home / 668,589.60-1,001,941.38-369,204.96

Finding the Fourth Proportional to 668,589.60, 1,001,941.38 and 369,204.96

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Solution

The fourth proportional to 668,589.60, 1,001,941.38 and 369,204.96 is: 553,286.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,589.60 : 1,001,941.38 = 369,204.96 : x
  2. Step 2: Convert to fraction form
    668,589.60/1,001,941.38 = 369,204.96/x
  3. Step 3: Cross multiply
    668,589.60x = 1,001,941.38 × 369,204.96
  4. Step 4: Simplify right side
    668,589.60x = 369,921,727,125.25
  5. Step 5: Solve for x
    x = 369,921,727,125.25/668,589.60
  6. Step 6: Final answer
    x = 553,286.69

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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.