Home / 766,905.34-1,150,360.98-234,424.30

Finding the Fourth Proportional to 766,905.34, 1,150,360.98 and 234,424.30

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Solution

The fourth proportional to 766,905.34, 1,150,360.98 and 234,424.30 is: 351,637.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,905.34 : 1,150,360.98 = 234,424.30 : x
  2. Step 2: Convert to fraction form
    766,905.34/1,150,360.98 = 234,424.30/x
  3. Step 3: Cross multiply
    766,905.34x = 1,150,360.98 × 234,424.30
  4. Step 4: Simplify right side
    766,905.34x = 269,672,567,483.81
  5. Step 5: Solve for x
    x = 269,672,567,483.81/766,905.34
  6. Step 6: Final answer
    x = 351,637.36

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Double scale
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Similar ratio
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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.