Home / 768,442.59-1,152,719.25-295,127.96

Finding the Fourth Proportional to 768,442.59, 1,152,719.25 and 295,127.96

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Solution

The fourth proportional to 768,442.59, 1,152,719.25 and 295,127.96 is: 442,713.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,442.59 : 1,152,719.25 = 295,127.96 : x
  2. Step 2: Convert to fraction form
    768,442.59/1,152,719.25 = 295,127.96/x
  3. Step 3: Cross multiply
    768,442.59x = 1,152,719.25 × 295,127.96
  4. Step 4: Simplify right side
    768,442.59x = 340,199,673,834.90
  5. Step 5: Solve for x
    x = 340,199,673,834.90/768,442.59
  6. Step 6: Final answer
    x = 442,713.19

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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.