Home / 778,766.80-1,074,752.13-434,669.86

Finding the Fourth Proportional to 778,766.80, 1,074,752.13 and 434,669.86

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Solution

The fourth proportional to 778,766.80, 1,074,752.13 and 434,669.86 is: 599,874.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,766.80 : 1,074,752.13 = 434,669.86 : x
  2. Step 2: Convert to fraction form
    778,766.80/1,074,752.13 = 434,669.86/x
  3. Step 3: Cross multiply
    778,766.80x = 1,074,752.13 × 434,669.86
  4. Step 4: Simplify right side
    778,766.80x = 467,162,355,194.92
  5. Step 5: Solve for x
    x = 467,162,355,194.92/778,766.80
  6. Step 6: Final answer
    x = 599,874.51

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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.