Home / 688,960.32-944,833.04-660,222.96

Finding the Fourth Proportional to 688,960.32, 944,833.04 and 660,222.96

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Solution

The fourth proportional to 688,960.32, 944,833.04 and 660,222.96 is: 905,422.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,960.32 : 944,833.04 = 660,222.96 : x
  2. Step 2: Convert to fraction form
    688,960.32/944,833.04 = 660,222.96/x
  3. Step 3: Cross multiply
    688,960.32x = 944,833.04 × 660,222.96
  4. Step 4: Simplify right side
    688,960.32x = 623,800,466,374.60
  5. Step 5: Solve for x
    x = 623,800,466,374.60/688,960.32
  6. Step 6: Final answer
    x = 905,422.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.