Home / 858,963.83-1,288,444.29-219,267.47

Finding the Fourth Proportional to 858,963.83, 1,288,444.29 and 219,267.47

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Solution

The fourth proportional to 858,963.83, 1,288,444.29 and 219,267.47 is: 328,900.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,963.83 : 1,288,444.29 = 219,267.47 : x
  2. Step 2: Convert to fraction form
    858,963.83/1,288,444.29 = 219,267.47/x
  3. Step 3: Cross multiply
    858,963.83x = 1,288,444.29 × 219,267.47
  4. Step 4: Simplify right side
    858,963.83x = 282,513,919,704.25
  5. Step 5: Solve for x
    x = 282,513,919,704.25/858,963.83
  6. Step 6: Final answer
    x = 328,900.83

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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.