Home / 862,474.89-1,287,648.08-659,006.13

Finding the Fourth Proportional to 862,474.89, 1,287,648.08 and 659,006.13

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Solution

The fourth proportional to 862,474.89, 1,287,648.08 and 659,006.13 is: 983,875.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,474.89 : 1,287,648.08 = 659,006.13 : x
  2. Step 2: Convert to fraction form
    862,474.89/1,287,648.08 = 659,006.13/x
  3. Step 3: Cross multiply
    862,474.89x = 1,287,648.08 × 659,006.13
  4. Step 4: Simplify right side
    862,474.89x = 848,567,979,650.25
  5. Step 5: Solve for x
    x = 848,567,979,650.25/862,474.89
  6. Step 6: Final answer
    x = 983,875.58

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.