Home / 403,982.76-557,431.02-242,799.24

Finding the Fourth Proportional to 403,982.76, 557,431.02 and 242,799.24

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Solution

The fourth proportional to 403,982.76, 557,431.02 and 242,799.24 is: 335,023.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,982.76 : 557,431.02 = 242,799.24 : x
  2. Step 2: Convert to fraction form
    403,982.76/557,431.02 = 242,799.24/x
  3. Step 3: Cross multiply
    403,982.76x = 557,431.02 × 242,799.24
  4. Step 4: Simplify right side
    403,982.76x = 135,343,828,008.43
  5. Step 5: Solve for x
    x = 135,343,828,008.43/403,982.76
  6. Step 6: Final answer
    x = 335,023.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.