Home / 938,693.44-1,407,204.98-339,521.32

Finding the Fourth Proportional to 938,693.44, 1,407,204.98 and 339,521.32

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Solution

The fourth proportional to 938,693.44, 1,407,204.98 and 339,521.32 is: 508,979.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,693.44 : 1,407,204.98 = 339,521.32 : x
  2. Step 2: Convert to fraction form
    938,693.44/1,407,204.98 = 339,521.32/x
  3. Step 3: Cross multiply
    938,693.44x = 1,407,204.98 × 339,521.32
  4. Step 4: Simplify right side
    938,693.44x = 477,776,083,586.54
  5. Step 5: Solve for x
    x = 477,776,083,586.54/938,693.44
  6. Step 6: Final answer
    x = 508,979.89

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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.