Home / 635,359.79-953,040.02-398,868.54

Finding the Fourth Proportional to 635,359.79, 953,040.02 and 398,868.54

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Solution

The fourth proportional to 635,359.79, 953,040.02 and 398,868.54 is: 598,303.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,359.79 : 953,040.02 = 398,868.54 : x
  2. Step 2: Convert to fraction form
    635,359.79/953,040.02 = 398,868.54/x
  3. Step 3: Cross multiply
    635,359.79x = 953,040.02 × 398,868.54
  4. Step 4: Simplify right side
    635,359.79x = 380,137,679,344.63
  5. Step 5: Solve for x
    x = 380,137,679,344.63/635,359.79
  6. Step 6: Final answer
    x = 598,303.02

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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.