Home / 715,945.95-1,073,918.49-210,511.13

Finding the Fourth Proportional to 715,945.95, 1,073,918.49 and 210,511.13

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Solution

The fourth proportional to 715,945.95, 1,073,918.49 and 210,511.13 is: 315,766.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,945.95 : 1,073,918.49 = 210,511.13 : x
  2. Step 2: Convert to fraction form
    715,945.95/1,073,918.49 = 210,511.13/x
  3. Step 3: Cross multiply
    715,945.95x = 1,073,918.49 × 210,511.13
  4. Step 4: Simplify right side
    715,945.95x = 226,071,789,488.20
  5. Step 5: Solve for x
    x = 226,071,789,488.20/715,945.95
  6. Step 6: Final answer
    x = 315,766.56

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Double scale
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1.5x scale

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.