Home / 920,732.82-1,270,675.08-558,171.96

Finding the Fourth Proportional to 920,732.82, 1,270,675.08 and 558,171.96

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Solution

The fourth proportional to 920,732.82, 1,270,675.08 and 558,171.96 is: 770,315.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,732.82 : 1,270,675.08 = 558,171.96 : x
  2. Step 2: Convert to fraction form
    920,732.82/1,270,675.08 = 558,171.96/x
  3. Step 3: Cross multiply
    920,732.82x = 1,270,675.08 × 558,171.96
  4. Step 4: Simplify right side
    920,732.82x = 709,255,199,926.76
  5. Step 5: Solve for x
    x = 709,255,199,926.76/920,732.82
  6. Step 6: Final answer
    x = 770,315.97

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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.