Home / 815,100.27-1,124,816.46-488,597.70

Finding the Fourth Proportional to 815,100.27, 1,124,816.46 and 488,597.70

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Solution

The fourth proportional to 815,100.27, 1,124,816.46 and 488,597.70 is: 674,251.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,100.27 : 1,124,816.46 = 488,597.70 : x
  2. Step 2: Convert to fraction form
    815,100.27/1,124,816.46 = 488,597.70/x
  3. Step 3: Cross multiply
    815,100.27x = 1,124,816.46 × 488,597.70
  4. Step 4: Simplify right side
    815,100.27x = 549,582,737,663.96
  5. Step 5: Solve for x
    x = 549,582,737,663.96/815,100.27
  6. Step 6: Final answer
    x = 674,251.70

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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.