Home / 778,052.27-1,073,799.03-456,034.74

Finding the Fourth Proportional to 778,052.27, 1,073,799.03 and 456,034.74

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Solution

The fourth proportional to 778,052.27, 1,073,799.03 and 456,034.74 is: 629,378.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,052.27 : 1,073,799.03 = 456,034.74 : x
  2. Step 2: Convert to fraction form
    778,052.27/1,073,799.03 = 456,034.74/x
  3. Step 3: Cross multiply
    778,052.27x = 1,073,799.03 × 456,034.74
  4. Step 4: Simplify right side
    778,052.27x = 489,689,661,458.30
  5. Step 5: Solve for x
    x = 489,689,661,458.30/778,052.27
  6. Step 6: Final answer
    x = 629,378.88

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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.