Home / 778,599.52-1,074,468.18-456,245.44

Finding the Fourth Proportional to 778,599.52, 1,074,468.18 and 456,245.44

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Solution

The fourth proportional to 778,599.52, 1,074,468.18 and 456,245.44 is: 629,619.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,599.52 : 1,074,468.18 = 456,245.44 : x
  2. Step 2: Convert to fraction form
    778,599.52/1,074,468.18 = 456,245.44/x
  3. Step 3: Cross multiply
    778,599.52x = 1,074,468.18 × 456,245.44
  4. Step 4: Simplify right side
    778,599.52x = 490,221,207,550.10
  5. Step 5: Solve for x
    x = 490,221,207,550.10/778,599.52
  6. Step 6: Final answer
    x = 629,619.20

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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.