Home / 761,219.79-1,141,472.10-441,462.54

Finding the Fourth Proportional to 761,219.79, 1,141,472.10 and 441,462.54

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Solution

The fourth proportional to 761,219.79, 1,141,472.10 and 441,462.54 is: 661,986.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,219.79 : 1,141,472.10 = 441,462.54 : x
  2. Step 2: Convert to fraction form
    761,219.79/1,141,472.10 = 441,462.54/x
  3. Step 3: Cross multiply
    761,219.79x = 1,141,472.10 × 441,462.54
  4. Step 4: Simplify right side
    761,219.79x = 503,917,172,605.13
  5. Step 5: Solve for x
    x = 503,917,172,605.13/761,219.79
  6. Step 6: Final answer
    x = 661,986.43

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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.