Home / 996,822.21-1,495,161.02-389,496.36

Finding the Fourth Proportional to 996,822.21, 1,495,161.02 and 389,496.36

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Solution

The fourth proportional to 996,822.21, 1,495,161.02 and 389,496.36 is: 584,216.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,822.21 : 1,495,161.02 = 389,496.36 : x
  2. Step 2: Convert to fraction form
    996,822.21/1,495,161.02 = 389,496.36/x
  3. Step 3: Cross multiply
    996,822.21x = 1,495,161.02 × 389,496.36
  4. Step 4: Simplify right side
    996,822.21x = 582,359,772,956.41
  5. Step 5: Solve for x
    x = 582,359,772,956.41/996,822.21
  6. Step 6: Final answer
    x = 584,216.29

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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.