Home / 693,286.63-1,039,265.61-293,377.28

Finding the Fourth Proportional to 693,286.63, 1,039,265.61 and 293,377.28

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Solution

The fourth proportional to 693,286.63, 1,039,265.61 and 293,377.28 is: 439,784.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,286.63 : 1,039,265.61 = 293,377.28 : x
  2. Step 2: Convert to fraction form
    693,286.63/1,039,265.61 = 293,377.28/x
  3. Step 3: Cross multiply
    693,286.63x = 1,039,265.61 × 293,377.28
  4. Step 4: Simplify right side
    693,286.63x = 304,896,911,562.85
  5. Step 5: Solve for x
    x = 304,896,911,562.85/693,286.63
  6. Step 6: Final answer
    x = 439,784.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.