Home / 778,099.87-1,073,778.80-429,232.39

Finding the Fourth Proportional to 778,099.87, 1,073,778.80 and 429,232.39

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Solution

The fourth proportional to 778,099.87, 1,073,778.80 and 429,232.39 is: 592,341.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,099.87 : 1,073,778.80 = 429,232.39 : x
  2. Step 2: Convert to fraction form
    778,099.87/1,073,778.80 = 429,232.39/x
  3. Step 3: Cross multiply
    778,099.87x = 1,073,778.80 × 429,232.39
  4. Step 4: Simplify right side
    778,099.87x = 460,900,639,043.97
  5. Step 5: Solve for x
    x = 460,900,639,043.97/778,099.87
  6. Step 6: Final answer
    x = 592,341.24

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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.