Home / 635,360.28-953,040.76-398,869.04

Finding the Fourth Proportional to 635,360.28, 953,040.76 and 398,869.04

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Solution

The fourth proportional to 635,360.28, 953,040.76 and 398,869.04 is: 598,303.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,360.28 : 953,040.76 = 398,869.04 : x
  2. Step 2: Convert to fraction form
    635,360.28/953,040.76 = 398,869.04/x
  3. Step 3: Cross multiply
    635,360.28x = 953,040.76 × 398,869.04
  4. Step 4: Simplify right side
    635,360.28x = 380,138,453,022.07
  5. Step 5: Solve for x
    x = 380,138,453,022.07/635,360.28
  6. Step 6: Final answer
    x = 598,303.77

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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.