Home / 982,612.64-1,355,989.74-552,892.52

Finding the Fourth Proportional to 982,612.64, 1,355,989.74 and 552,892.52

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Solution

The fourth proportional to 982,612.64, 1,355,989.74 and 552,892.52 is: 762,982.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,612.64 : 1,355,989.74 = 552,892.52 : x
  2. Step 2: Convert to fraction form
    982,612.64/1,355,989.74 = 552,892.52/x
  3. Step 3: Cross multiply
    982,612.64x = 1,355,989.74 × 552,892.52
  4. Step 4: Simplify right side
    982,612.64x = 749,716,584,442.75
  5. Step 5: Solve for x
    x = 749,716,584,442.75/982,612.64
  6. Step 6: Final answer
    x = 762,982.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.