Home / 753,545.05-1,130,354.52-304,209.88

Finding the Fourth Proportional to 753,545.05, 1,130,354.52 and 304,209.88

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Solution

The fourth proportional to 753,545.05, 1,130,354.52 and 304,209.88 is: 456,329.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,545.05 : 1,130,354.52 = 304,209.88 : x
  2. Step 2: Convert to fraction form
    753,545.05/1,130,354.52 = 304,209.88/x
  3. Step 3: Cross multiply
    753,545.05x = 1,130,354.52 × 304,209.88
  4. Step 4: Simplify right side
    753,545.05x = 343,865,009,775.58
  5. Step 5: Solve for x
    x = 343,865,009,775.58/753,545.05
  6. Step 6: Final answer
    x = 456,329.73

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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.