Home / 557,125.02-768,850.92-315,402.66

Finding the Fourth Proportional to 557,125.02, 768,850.92 and 315,402.66

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Solution

The fourth proportional to 557,125.02, 768,850.92 and 315,402.66 is: 435,266.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,125.02 : 768,850.92 = 315,402.66 : x
  2. Step 2: Convert to fraction form
    557,125.02/768,850.92 = 315,402.66/x
  3. Step 3: Cross multiply
    557,125.02x = 768,850.92 × 315,402.66
  4. Step 4: Simplify right side
    557,125.02x = 242,497,625,311.45
  5. Step 5: Solve for x
    x = 242,497,625,311.45/557,125.02
  6. Step 6: Final answer
    x = 435,266.08

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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.