Home / 768,445.59-1,152,723.75-295,130.96

Finding the Fourth Proportional to 768,445.59, 1,152,723.75 and 295,130.96

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Solution

The fourth proportional to 768,445.59, 1,152,723.75 and 295,130.96 is: 442,717.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,445.59 : 1,152,723.75 = 295,130.96 : x
  2. Step 2: Convert to fraction form
    768,445.59/1,152,723.75 = 295,130.96/x
  3. Step 3: Cross multiply
    768,445.59x = 1,152,723.75 × 295,130.96
  4. Step 4: Simplify right side
    768,445.59x = 340,204,461,188.68
  5. Step 5: Solve for x
    x = 340,204,461,188.68/768,445.59
  6. Step 6: Final answer
    x = 442,717.70

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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.