Home / 869,723.30-1,302,616.65-550,858.70

Finding the Fourth Proportional to 869,723.30, 1,302,616.65 and 550,858.70

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Solution

The fourth proportional to 869,723.30, 1,302,616.65 and 550,858.70 is: 825,041.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,723.30 : 1,302,616.65 = 550,858.70 : x
  2. Step 2: Convert to fraction form
    869,723.30/1,302,616.65 = 550,858.70/x
  3. Step 3: Cross multiply
    869,723.30x = 1,302,616.65 × 550,858.70
  4. Step 4: Simplify right side
    869,723.30x = 717,557,714,417.36
  5. Step 5: Solve for x
    x = 717,557,714,417.36/869,723.30
  6. Step 6: Final answer
    x = 825,041.38

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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.