Home / 555,690.28-766,848.90-301,035.56

Finding the Fourth Proportional to 555,690.28, 766,848.90 and 301,035.56

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Solution

The fourth proportional to 555,690.28, 766,848.90 and 301,035.56 is: 415,427.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,690.28 : 766,848.90 = 301,035.56 : x
  2. Step 2: Convert to fraction form
    555,690.28/766,848.90 = 301,035.56/x
  3. Step 3: Cross multiply
    555,690.28x = 766,848.90 × 301,035.56
  4. Step 4: Simplify right side
    555,690.28x = 230,848,788,046.88
  5. Step 5: Solve for x
    x = 230,848,788,046.88/555,690.28
  6. Step 6: Final answer
    x = 415,427.08

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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.