Home / 778,515.80-1,167,773.70-715,530.20

Finding the Fourth Proportional to 778,515.80, 1,167,773.70 and 715,530.20

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Solution

The fourth proportional to 778,515.80, 1,167,773.70 and 715,530.20 is: 1,073,295.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,515.80 : 1,167,773.70 = 715,530.20 : x
  2. Step 2: Convert to fraction form
    778,515.80/1,167,773.70 = 715,530.20/x
  3. Step 3: Cross multiply
    778,515.80x = 1,167,773.70 × 715,530.20
  4. Step 4: Simplify right side
    778,515.80x = 835,577,349,115.74
  5. Step 5: Solve for x
    x = 835,577,349,115.74/778,515.80
  6. Step 6: Final answer
    x = 1,073,295.30

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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.