Home / 761,917.23-1,142,700.94-454,256.26

Finding the Fourth Proportional to 761,917.23, 1,142,700.94 and 454,256.26

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Solution

The fourth proportional to 761,917.23, 1,142,700.94 and 454,256.26 is: 681,280.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,917.23 : 1,142,700.94 = 454,256.26 : x
  2. Step 2: Convert to fraction form
    761,917.23/1,142,700.94 = 454,256.26/x
  3. Step 3: Cross multiply
    761,917.23x = 1,142,700.94 × 454,256.26
  4. Step 4: Simplify right side
    761,917.23x = 519,079,055,302.88
  5. Step 5: Solve for x
    x = 519,079,055,302.88/761,917.23
  6. Step 6: Final answer
    x = 681,280.11

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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.