Home / 668,859.88-1,003,377.30-353,329.24

Finding the Fourth Proportional to 668,859.88, 1,003,377.30 and 353,329.24

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Solution

The fourth proportional to 668,859.88, 1,003,377.30 and 353,329.24 is: 530,040.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,859.88 : 1,003,377.30 = 353,329.24 : x
  2. Step 2: Convert to fraction form
    668,859.88/1,003,377.30 = 353,329.24/x
  3. Step 3: Cross multiply
    668,859.88x = 1,003,377.30 × 353,329.24
  4. Step 4: Simplify right side
    668,859.88x = 354,522,538,842.25
  5. Step 5: Solve for x
    x = 354,522,538,842.25/668,859.88
  6. Step 6: Final answer
    x = 530,040.07

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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.