Home / 716,409.63-1,074,575.57-217,734.75

Finding the Fourth Proportional to 716,409.63, 1,074,575.57 and 217,734.75

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Solution

The fourth proportional to 716,409.63, 1,074,575.57 and 217,734.75 is: 326,590.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,409.63 : 1,074,575.57 = 217,734.75 : x
  2. Step 2: Convert to fraction form
    716,409.63/1,074,575.57 = 217,734.75/x
  3. Step 3: Cross multiply
    716,409.63x = 1,074,575.57 × 217,734.75
  4. Step 4: Simplify right side
    716,409.63x = 233,972,442,001.38
  5. Step 5: Solve for x
    x = 233,972,442,001.38/716,409.63
  6. Step 6: Final answer
    x = 326,590.31

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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.