Home / 761,690.28-1,142,539.53-229,207.73

Finding the Fourth Proportional to 761,690.28, 1,142,539.53 and 229,207.73

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Solution

The fourth proportional to 761,690.28, 1,142,539.53 and 229,207.73 is: 343,812.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,690.28 : 1,142,539.53 = 229,207.73 : x
  2. Step 2: Convert to fraction form
    761,690.28/1,142,539.53 = 229,207.73/x
  3. Step 3: Cross multiply
    761,690.28x = 1,142,539.53 × 229,207.73
  4. Step 4: Simplify right side
    761,690.28x = 261,878,885,534.34
  5. Step 5: Solve for x
    x = 261,878,885,534.34/761,690.28
  6. Step 6: Final answer
    x = 343,812.82

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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.