Home / 897,200.11-1,238,086.79-509,961.69

Finding the Fourth Proportional to 897,200.11, 1,238,086.79 and 509,961.69

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Solution

The fourth proportional to 897,200.11, 1,238,086.79 and 509,961.69 is: 703,719.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,200.11 : 1,238,086.79 = 509,961.69 : x
  2. Step 2: Convert to fraction form
    897,200.11/1,238,086.79 = 509,961.69/x
  3. Step 3: Cross multiply
    897,200.11x = 1,238,086.79 × 509,961.69
  4. Step 4: Simplify right side
    897,200.11x = 631,376,833,069.98
  5. Step 5: Solve for x
    x = 631,376,833,069.98/897,200.11
  6. Step 6: Final answer
    x = 703,719.08

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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.