Home / 850,329.20-1,275,631.32-251,350.40

Finding the Fourth Proportional to 850,329.20, 1,275,631.32 and 251,350.40

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Solution

The fourth proportional to 850,329.20, 1,275,631.32 and 251,350.40 is: 377,066.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,329.20 : 1,275,631.32 = 251,350.40 : x
  2. Step 2: Convert to fraction form
    850,329.20/1,275,631.32 = 251,350.40/x
  3. Step 3: Cross multiply
    850,329.20x = 1,275,631.32 × 251,350.40
  4. Step 4: Simplify right side
    850,329.20x = 320,630,442,534.53
  5. Step 5: Solve for x
    x = 320,630,442,534.53/850,329.20
  6. Step 6: Final answer
    x = 377,066.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.