Home / 545,977.40-753,449.52-304,254.66

Finding the Fourth Proportional to 545,977.40, 753,449.52 and 304,254.66

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Solution

The fourth proportional to 545,977.40, 753,449.52 and 304,254.66 is: 419,871.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,977.40 : 753,449.52 = 304,254.66 : x
  2. Step 2: Convert to fraction form
    545,977.40/753,449.52 = 304,254.66/x
  3. Step 3: Cross multiply
    545,977.40x = 753,449.52 × 304,254.66
  4. Step 4: Simplify right side
    545,977.40x = 229,240,527,534.76
  5. Step 5: Solve for x
    x = 229,240,527,534.76/545,977.40
  6. Step 6: Final answer
    x = 419,871.83

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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.