Home / 709,728.30-1,064,592.45-211,092.30

Finding the Fourth Proportional to 709,728.30, 1,064,592.45 and 211,092.30

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Solution

The fourth proportional to 709,728.30, 1,064,592.45 and 211,092.30 is: 316,638.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,728.30 : 1,064,592.45 = 211,092.30 : x
  2. Step 2: Convert to fraction form
    709,728.30/1,064,592.45 = 211,092.30/x
  3. Step 3: Cross multiply
    709,728.30x = 1,064,592.45 × 211,092.30
  4. Step 4: Simplify right side
    709,728.30x = 224,727,268,833.14
  5. Step 5: Solve for x
    x = 224,727,268,833.14/709,728.30
  6. Step 6: Final answer
    x = 316,638.45

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Similar ratio
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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.