Home / 753,002.88-1,129,253.76-303,607.68

Finding the Fourth Proportional to 753,002.88, 1,129,253.76 and 303,607.68

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Solution

The fourth proportional to 753,002.88, 1,129,253.76 and 303,607.68 is: 455,310.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,002.88 : 1,129,253.76 = 303,607.68 : x
  2. Step 2: Convert to fraction form
    753,002.88/1,129,253.76 = 303,607.68/x
  3. Step 3: Cross multiply
    753,002.88x = 1,129,253.76 × 303,607.68
  4. Step 4: Simplify right side
    753,002.88x = 342,850,114,204.88
  5. Step 5: Solve for x
    x = 342,850,114,204.88/753,002.88
  6. Step 6: Final answer
    x = 455,310.50

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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.