Home / 810,012.27-1,117,805.31-442,484.96

Finding the Fourth Proportional to 810,012.27, 1,117,805.31 and 442,484.96

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Solution

The fourth proportional to 810,012.27, 1,117,805.31 and 442,484.96 is: 610,622.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,012.27 : 1,117,805.31 = 442,484.96 : x
  2. Step 2: Convert to fraction form
    810,012.27/1,117,805.31 = 442,484.96/x
  3. Step 3: Cross multiply
    810,012.27x = 1,117,805.31 × 442,484.96
  4. Step 4: Simplify right side
    810,012.27x = 494,612,032,294.11
  5. Step 5: Solve for x
    x = 494,612,032,294.11/810,012.27
  6. Step 6: Final answer
    x = 610,622.89

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1.5x scale

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.