Home / 814,461.20-1,224,316.20-579,431.60

Finding the Fourth Proportional to 814,461.20, 1,224,316.20 and 579,431.60

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Solution

The fourth proportional to 814,461.20, 1,224,316.20 and 579,431.60 is: 871,014.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,461.20 : 1,224,316.20 = 579,431.60 : x
  2. Step 2: Convert to fraction form
    814,461.20/1,224,316.20 = 579,431.60/x
  3. Step 3: Cross multiply
    814,461.20x = 1,224,316.20 × 579,431.60
  4. Step 4: Simplify right side
    814,461.20x = 709,407,494,671.92
  5. Step 5: Solve for x
    x = 709,407,494,671.92/814,461.20
  6. Step 6: Final answer
    x = 871,014.48

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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.