Home / 768,066.72-1,152,287.18-255,730.92

Finding the Fourth Proportional to 768,066.72, 1,152,287.18 and 255,730.92

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Solution

The fourth proportional to 768,066.72, 1,152,287.18 and 255,730.92 is: 383,658.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,066.72 : 1,152,287.18 = 255,730.92 : x
  2. Step 2: Convert to fraction form
    768,066.72/1,152,287.18 = 255,730.92/x
  3. Step 3: Cross multiply
    768,066.72x = 1,152,287.18 × 255,730.92
  4. Step 4: Simplify right side
    768,066.72x = 294,675,460,645.61
  5. Step 5: Solve for x
    x = 294,675,460,645.61/768,066.72
  6. Step 6: Final answer
    x = 383,658.68

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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.