Home / 853,489.96-1,281,038.52-433,067.56

Finding the Fourth Proportional to 853,489.96, 1,281,038.52 and 433,067.56

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Solution

The fourth proportional to 853,489.96, 1,281,038.52 and 433,067.56 is: 650,009.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,489.96 : 1,281,038.52 = 433,067.56 : x
  2. Step 2: Convert to fraction form
    853,489.96/1,281,038.52 = 433,067.56/x
  3. Step 3: Cross multiply
    853,489.96x = 1,281,038.52 × 433,067.56
  4. Step 4: Simplify right side
    853,489.96x = 554,776,226,122.41
  5. Step 5: Solve for x
    x = 554,776,226,122.41/853,489.96
  6. Step 6: Final answer
    x = 650,009.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.