Home / 782,392.96-1,079,727.96-442,853.92

Finding the Fourth Proportional to 782,392.96, 1,079,727.96 and 442,853.92

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Solution

The fourth proportional to 782,392.96, 1,079,727.96 and 442,853.92 is: 611,152.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,392.96 : 1,079,727.96 = 442,853.92 : x
  2. Step 2: Convert to fraction form
    782,392.96/1,079,727.96 = 442,853.92/x
  3. Step 3: Cross multiply
    782,392.96x = 1,079,727.96 × 442,853.92
  4. Step 4: Simplify right side
    782,392.96x = 478,161,759,619.60
  5. Step 5: Solve for x
    x = 478,161,759,619.60/782,392.96
  6. Step 6: Final answer
    x = 611,152.94

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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.