Home / 770,781.81-1,156,282.98-238,343.91

Finding the Fourth Proportional to 770,781.81, 1,156,282.98 and 238,343.91

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Solution

The fourth proportional to 770,781.81, 1,156,282.98 and 238,343.91 is: 357,549.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,781.81 : 1,156,282.98 = 238,343.91 : x
  2. Step 2: Convert to fraction form
    770,781.81/1,156,282.98 = 238,343.91/x
  3. Step 3: Cross multiply
    770,781.81x = 1,156,282.98 × 238,343.91
  4. Step 4: Simplify right side
    770,781.81x = 275,593,006,519.65
  5. Step 5: Solve for x
    x = 275,593,006,519.65/770,781.81
  6. Step 6: Final answer
    x = 357,549.96

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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.