Home / 403,822.60-557,275.98-242,680.12

Finding the Fourth Proportional to 403,822.60, 557,275.98 and 242,680.12

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Solution

The fourth proportional to 403,822.60, 557,275.98 and 242,680.12 is: 334,899.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,822.60 : 557,275.98 = 242,680.12 : x
  2. Step 2: Convert to fraction form
    403,822.60/557,275.98 = 242,680.12/x
  3. Step 3: Cross multiply
    403,822.60x = 557,275.98 × 242,680.12
  4. Step 4: Simplify right side
    403,822.60x = 135,239,801,699.52
  5. Step 5: Solve for x
    x = 135,239,801,699.52/403,822.60
  6. Step 6: Final answer
    x = 334,899.04

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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.