Home / 635,434.02-953,369.70-398,499.30

Finding the Fourth Proportional to 635,434.02, 953,369.70 and 398,499.30

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Solution

The fourth proportional to 635,434.02, 953,369.70 and 398,499.30 is: 597,886.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,434.02 : 953,369.70 = 398,499.30 : x
  2. Step 2: Convert to fraction form
    635,434.02/953,369.70 = 398,499.30/x
  3. Step 3: Cross multiply
    635,434.02x = 953,369.70 × 398,499.30
  4. Step 4: Simplify right side
    635,434.02x = 379,917,158,091.21
  5. Step 5: Solve for x
    x = 379,917,158,091.21/635,434.02
  6. Step 6: Final answer
    x = 597,886.08

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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.