Home / 810,693.66-1,118,868.42-466,522.56

Finding the Fourth Proportional to 810,693.66, 1,118,868.42 and 466,522.56

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Solution

The fourth proportional to 810,693.66, 1,118,868.42 and 466,522.56 is: 643,865.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,693.66 : 1,118,868.42 = 466,522.56 : x
  2. Step 2: Convert to fraction form
    810,693.66/1,118,868.42 = 466,522.56/x
  3. Step 3: Cross multiply
    810,693.66x = 1,118,868.42 × 466,522.56
  4. Step 4: Simplify right side
    810,693.66x = 521,977,359,601.56
  5. Step 5: Solve for x
    x = 521,977,359,601.56/810,693.66
  6. Step 6: Final answer
    x = 643,865.11

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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.