Home / 767,721.78-1,151,541.18-235,244.43

Finding the Fourth Proportional to 767,721.78, 1,151,541.18 and 235,244.43

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Solution

The fourth proportional to 767,721.78, 1,151,541.18 and 235,244.43 is: 352,853.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,721.78 : 1,151,541.18 = 235,244.43 : x
  2. Step 2: Convert to fraction form
    767,721.78/1,151,541.18 = 235,244.43/x
  3. Step 3: Cross multiply
    767,721.78x = 1,151,541.18 × 235,244.43
  4. Step 4: Simplify right side
    767,721.78x = 270,893,648,510.63
  5. Step 5: Solve for x
    x = 270,893,648,510.63/767,721.78
  6. Step 6: Final answer
    x = 352,853.93

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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.