Home / 688,708.20-1,033,062.30-333,758.10

Finding the Fourth Proportional to 688,708.20, 1,033,062.30 and 333,758.10

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Solution

The fourth proportional to 688,708.20, 1,033,062.30 and 333,758.10 is: 500,637.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,708.20 : 1,033,062.30 = 333,758.10 : x
  2. Step 2: Convert to fraction form
    688,708.20/1,033,062.30 = 333,758.10/x
  3. Step 3: Cross multiply
    688,708.20x = 1,033,062.30 × 333,758.10
  4. Step 4: Simplify right side
    688,708.20x = 344,792,910,429.63
  5. Step 5: Solve for x
    x = 344,792,910,429.63/688,708.20
  6. Step 6: Final answer
    x = 500,637.15

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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.