Home / 689,877.42-951,216.36-472,190.96

Finding the Fourth Proportional to 689,877.42, 951,216.36 and 472,190.96

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Solution

The fourth proportional to 689,877.42, 951,216.36 and 472,190.96 is: 651,066.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,877.42 : 951,216.36 = 472,190.96 : x
  2. Step 2: Convert to fraction form
    689,877.42/951,216.36 = 472,190.96/x
  3. Step 3: Cross multiply
    689,877.42x = 951,216.36 × 472,190.96
  4. Step 4: Simplify right side
    689,877.42x = 449,155,766,196.11
  5. Step 5: Solve for x
    x = 449,155,766,196.11/689,877.42
  6. Step 6: Final answer
    x = 651,066.05

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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.