Home / 768,421.48-1,152,781.62-295,072.04

Finding the Fourth Proportional to 768,421.48, 1,152,781.62 and 295,072.04

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Solution

The fourth proportional to 768,421.48, 1,152,781.62 and 295,072.04 is: 442,665.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,421.48 : 1,152,781.62 = 295,072.04 : x
  2. Step 2: Convert to fraction form
    768,421.48/1,152,781.62 = 295,072.04/x
  3. Step 3: Cross multiply
    768,421.48x = 1,152,781.62 × 295,072.04
  4. Step 4: Simplify right side
    768,421.48x = 340,153,624,287.91
  5. Step 5: Solve for x
    x = 340,153,624,287.91/768,421.48
  6. Step 6: Final answer
    x = 442,665.43

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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.