Home / 842,744.16-1,162,702.08-479,910.78

Finding the Fourth Proportional to 842,744.16, 1,162,702.08 and 479,910.78

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Solution

The fourth proportional to 842,744.16, 1,162,702.08 and 479,910.78 is: 662,114.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,744.16 : 1,162,702.08 = 479,910.78 : x
  2. Step 2: Convert to fraction form
    842,744.16/1,162,702.08 = 479,910.78/x
  3. Step 3: Cross multiply
    842,744.16x = 1,162,702.08 × 479,910.78
  4. Step 4: Simplify right side
    842,744.16x = 557,993,262,120.42
  5. Step 5: Solve for x
    x = 557,993,262,120.42/842,744.16
  6. Step 6: Final answer
    x = 662,114.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.