Home / 778,552.80-1,165,496.40-462,847.20

Finding the Fourth Proportional to 778,552.80, 1,165,496.40 and 462,847.20

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Solution

The fourth proportional to 778,552.80, 1,165,496.40 and 462,847.20 is: 692,883.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,552.80 : 1,165,496.40 = 462,847.20 : x
  2. Step 2: Convert to fraction form
    778,552.80/1,165,496.40 = 462,847.20/x
  3. Step 3: Cross multiply
    778,552.80x = 1,165,496.40 × 462,847.20
  4. Step 4: Simplify right side
    778,552.80x = 539,446,745,350.08
  5. Step 5: Solve for x
    x = 539,446,745,350.08/778,552.80
  6. Step 6: Final answer
    x = 692,883.96

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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.