Home / 744,097.97-1,026,890.30-421,814.33

Finding the Fourth Proportional to 744,097.97, 1,026,890.30 and 421,814.33

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Solution

The fourth proportional to 744,097.97, 1,026,890.30 and 421,814.33 is: 582,123.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,097.97 : 1,026,890.30 = 421,814.33 : x
  2. Step 2: Convert to fraction form
    744,097.97/1,026,890.30 = 421,814.33/x
  3. Step 3: Cross multiply
    744,097.97x = 1,026,890.30 × 421,814.33
  4. Step 4: Simplify right side
    744,097.97x = 433,157,043,878.00
  5. Step 5: Solve for x
    x = 433,157,043,878.00/744,097.97
  6. Step 6: Final answer
    x = 582,123.67

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.