Home / 761,707.19-1,142,564.87-229,224.60

Finding the Fourth Proportional to 761,707.19, 1,142,564.87 and 229,224.60

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Solution

The fourth proportional to 761,707.19, 1,142,564.87 and 229,224.60 is: 343,838.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,707.19 : 1,142,564.87 = 229,224.60 : x
  2. Step 2: Convert to fraction form
    761,707.19/1,142,564.87 = 229,224.60/x
  3. Step 3: Cross multiply
    761,707.19x = 1,142,564.87 × 229,224.60
  4. Step 4: Simplify right side
    761,707.19x = 261,903,975,872.86
  5. Step 5: Solve for x
    x = 261,903,975,872.86/761,707.19
  6. Step 6: Final answer
    x = 343,838.13

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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.