Home / 947,771.25-1,421,657.07-316,685.13

Finding the Fourth Proportional to 947,771.25, 1,421,657.07 and 316,685.13

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Solution

The fourth proportional to 947,771.25, 1,421,657.07 and 316,685.13 is: 475,027.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,771.25 : 1,421,657.07 = 316,685.13 : x
  2. Step 2: Convert to fraction form
    947,771.25/1,421,657.07 = 316,685.13/x
  3. Step 3: Cross multiply
    947,771.25x = 1,421,657.07 × 316,685.13
  4. Step 4: Simplify right side
    947,771.25x = 450,217,654,028.37
  5. Step 5: Solve for x
    x = 450,217,654,028.37/947,771.25
  6. Step 6: Final answer
    x = 475,027.76

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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.