Home / 628,988.44-942,695.07-495,340.87

Finding the Fourth Proportional to 628,988.44, 942,695.07 and 495,340.87

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Solution

The fourth proportional to 628,988.44, 942,695.07 and 495,340.87 is: 742,391.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,988.44 : 942,695.07 = 495,340.87 : x
  2. Step 2: Convert to fraction form
    628,988.44/942,695.07 = 495,340.87/x
  3. Step 3: Cross multiply
    628,988.44x = 942,695.07 × 495,340.87
  4. Step 4: Simplify right side
    628,988.44x = 466,955,396,118.51
  5. Step 5: Solve for x
    x = 466,955,396,118.51/628,988.44
  6. Step 6: Final answer
    x = 742,391.06

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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.