Home / 782,479.44-1,079,794.80-460,115.64

Finding the Fourth Proportional to 782,479.44, 1,079,794.80 and 460,115.64

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Solution

The fourth proportional to 782,479.44, 1,079,794.80 and 460,115.64 is: 634,943.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,479.44 : 1,079,794.80 = 460,115.64 : x
  2. Step 2: Convert to fraction form
    782,479.44/1,079,794.80 = 460,115.64/x
  3. Step 3: Cross multiply
    782,479.44x = 1,079,794.80 × 460,115.64
  4. Step 4: Simplify right side
    782,479.44x = 496,830,475,470.67
  5. Step 5: Solve for x
    x = 496,830,475,470.67/782,479.44
  6. Step 6: Final answer
    x = 634,943.81

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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.