Home / 437,259.31-654,407.56-268,886.28

Finding the Fourth Proportional to 437,259.31, 654,407.56 and 268,886.28

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Solution

The fourth proportional to 437,259.31, 654,407.56 and 268,886.28 is: 402,418.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,259.31 : 654,407.56 = 268,886.28 : x
  2. Step 2: Convert to fraction form
    437,259.31/654,407.56 = 268,886.28/x
  3. Step 3: Cross multiply
    437,259.31x = 654,407.56 × 268,886.28
  4. Step 4: Simplify right side
    437,259.31x = 175,961,216,048.30
  5. Step 5: Solve for x
    x = 175,961,216,048.30/437,259.31
  6. Step 6: Final answer
    x = 402,418.45

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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.