Home / 938,805.48-1,408,059.36-299,026.20

Finding the Fourth Proportional to 938,805.48, 1,408,059.36 and 299,026.20

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Solution

The fourth proportional to 938,805.48, 1,408,059.36 and 299,026.20 is: 448,491.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,805.48 : 1,408,059.36 = 299,026.20 : x
  2. Step 2: Convert to fraction form
    938,805.48/1,408,059.36 = 299,026.20/x
  3. Step 3: Cross multiply
    938,805.48x = 1,408,059.36 × 299,026.20
  4. Step 4: Simplify right side
    938,805.48x = 421,046,639,795.23
  5. Step 5: Solve for x
    x = 421,046,639,795.23/938,805.48
  6. Step 6: Final answer
    x = 448,491.89

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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.