Home / 897,669.12-1,239,232.32-558,246.72

Finding the Fourth Proportional to 897,669.12, 1,239,232.32 and 558,246.72

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Solution

The fourth proportional to 897,669.12, 1,239,232.32 and 558,246.72 is: 770,659.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,669.12 : 1,239,232.32 = 558,246.72 : x
  2. Step 2: Convert to fraction form
    897,669.12/1,239,232.32 = 558,246.72/x
  3. Step 3: Cross multiply
    897,669.12x = 1,239,232.32 × 558,246.72
  4. Step 4: Simplify right side
    897,669.12x = 691,797,377,957.99
  5. Step 5: Solve for x
    x = 691,797,377,957.99/897,669.12
  6. Step 6: Final answer
    x = 770,659.66

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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.