Home / 768,445.62-1,152,723.76-295,130.98

Finding the Fourth Proportional to 768,445.62, 1,152,723.76 and 295,130.98

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Solution

The fourth proportional to 768,445.62, 1,152,723.76 and 295,130.98 is: 442,717.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,445.62 : 1,152,723.76 = 295,130.98 : x
  2. Step 2: Convert to fraction form
    768,445.62/1,152,723.76 = 295,130.98/x
  3. Step 3: Cross multiply
    768,445.62x = 1,152,723.76 × 295,130.98
  4. Step 4: Simplify right side
    768,445.62x = 340,204,490,445.19
  5. Step 5: Solve for x
    x = 340,204,490,445.19/768,445.62
  6. Step 6: Final answer
    x = 442,717.72

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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.