Home / 761,849.12-1,051,458.88-471,553.79

Finding the Fourth Proportional to 761,849.12, 1,051,458.88 and 471,553.79

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Solution

The fourth proportional to 761,849.12, 1,051,458.88 and 471,553.79 is: 650,810.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,849.12 : 1,051,458.88 = 471,553.79 : x
  2. Step 2: Convert to fraction form
    761,849.12/1,051,458.88 = 471,553.79/x
  3. Step 3: Cross multiply
    761,849.12x = 1,051,458.88 × 471,553.79
  4. Step 4: Simplify right side
    761,849.12x = 495,819,419,893.16
  5. Step 5: Solve for x
    x = 495,819,419,893.16/761,849.12
  6. Step 6: Final answer
    x = 650,810.52

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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.