Home / 689,062.38-951,165.90-402,675.54

Finding the Fourth Proportional to 689,062.38, 951,165.90 and 402,675.54

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Solution

The fourth proportional to 689,062.38, 951,165.90 and 402,675.54 is: 555,844.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,062.38 : 951,165.90 = 402,675.54 : x
  2. Step 2: Convert to fraction form
    689,062.38/951,165.90 = 402,675.54/x
  3. Step 3: Cross multiply
    689,062.38x = 951,165.90 × 402,675.54
  4. Step 4: Simplify right side
    689,062.38x = 383,011,242,412.09
  5. Step 5: Solve for x
    x = 383,011,242,412.09/689,062.38
  6. Step 6: Final answer
    x = 555,844.08

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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.