Home / 778,033.76-1,073,691.27-433,891.45

Finding the Fourth Proportional to 778,033.76, 1,073,691.27 and 433,891.45

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Solution

The fourth proportional to 778,033.76, 1,073,691.27 and 433,891.45 is: 598,772.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,033.76 : 1,073,691.27 = 433,891.45 : x
  2. Step 2: Convert to fraction form
    778,033.76/1,073,691.27 = 433,891.45/x
  3. Step 3: Cross multiply
    778,033.76x = 1,073,691.27 × 433,891.45
  4. Step 4: Simplify right side
    778,033.76x = 465,865,460,025.43
  5. Step 5: Solve for x
    x = 465,865,460,025.43/778,033.76
  6. Step 6: Final answer
    x = 598,772.81

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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.