Home / 628,479.56-942,721.26-155,164.97

Finding the Fourth Proportional to 628,479.56, 942,721.26 and 155,164.97

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Solution

The fourth proportional to 628,479.56, 942,721.26 and 155,164.97 is: 232,747.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,479.56 : 942,721.26 = 155,164.97 : x
  2. Step 2: Convert to fraction form
    628,479.56/942,721.26 = 155,164.97/x
  3. Step 3: Cross multiply
    628,479.56x = 942,721.26 × 155,164.97
  4. Step 4: Simplify right side
    628,479.56x = 146,277,316,026.26
  5. Step 5: Solve for x
    x = 146,277,316,026.26/628,479.56
  6. Step 6: Final answer
    x = 232,747.93

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1.5x scale

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.