Home / 709,487.70-1,064,231.55-210,851.70

Finding the Fourth Proportional to 709,487.70, 1,064,231.55 and 210,851.70

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Solution

The fourth proportional to 709,487.70, 1,064,231.55 and 210,851.70 is: 316,277.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,487.70 : 1,064,231.55 = 210,851.70 : x
  2. Step 2: Convert to fraction form
    709,487.70/1,064,231.55 = 210,851.70/x
  3. Step 3: Cross multiply
    709,487.70x = 1,064,231.55 × 210,851.70
  4. Step 4: Simplify right side
    709,487.70x = 224,395,031,511.14
  5. Step 5: Solve for x
    x = 224,395,031,511.14/709,487.70
  6. Step 6: Final answer
    x = 316,277.55

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Double scale
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Similar ratio
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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.