Home / 753,815.76-1,130,280.84-304,550.88

Finding the Fourth Proportional to 753,815.76, 1,130,280.84 and 304,550.88

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Solution

The fourth proportional to 753,815.76, 1,130,280.84 and 304,550.88 is: 456,647.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,815.76 : 1,130,280.84 = 304,550.88 : x
  2. Step 2: Convert to fraction form
    753,815.76/1,130,280.84 = 304,550.88/x
  3. Step 3: Cross multiply
    753,815.76x = 1,130,280.84 × 304,550.88
  4. Step 4: Simplify right side
    753,815.76x = 344,228,024,469.14
  5. Step 5: Solve for x
    x = 344,228,024,469.14/753,815.76
  6. Step 6: Final answer
    x = 456,647.42

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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.