Home / 897,718.12-1,239,299.94-558,295.72

Finding the Fourth Proportional to 897,718.12, 1,239,299.94 and 558,295.72

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Solution

The fourth proportional to 897,718.12, 1,239,299.94 and 558,295.72 is: 770,727.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,718.12 : 1,239,299.94 = 558,295.72 : x
  2. Step 2: Convert to fraction form
    897,718.12/1,239,299.94 = 558,295.72/x
  3. Step 3: Cross multiply
    897,718.12x = 1,239,299.94 × 558,295.72
  4. Step 4: Simplify right side
    897,718.12x = 691,895,852,298.26
  5. Step 5: Solve for x
    x = 691,895,852,298.26/897,718.12
  6. Step 6: Final answer
    x = 770,727.29

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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.