Home / 814,808.53-1,124,492.60-538,686.64

Finding the Fourth Proportional to 814,808.53, 1,124,492.60 and 538,686.64

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Solution

The fourth proportional to 814,808.53, 1,124,492.60 and 538,686.64 is: 743,425.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,808.53 : 1,124,492.60 = 538,686.64 : x
  2. Step 2: Convert to fraction form
    814,808.53/1,124,492.60 = 538,686.64/x
  3. Step 3: Cross multiply
    814,808.53x = 1,124,492.60 × 538,686.64
  4. Step 4: Simplify right side
    814,808.53x = 605,749,146,269.66
  5. Step 5: Solve for x
    x = 605,749,146,269.66/814,808.53
  6. Step 6: Final answer
    x = 743,425.14

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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.