Home / 708,626.90-1,062,441.98-329,144.74

Finding the Fourth Proportional to 708,626.90, 1,062,441.98 and 329,144.74

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Solution

The fourth proportional to 708,626.90, 1,062,441.98 and 329,144.74 is: 493,485.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,626.90 : 1,062,441.98 = 329,144.74 : x
  2. Step 2: Convert to fraction form
    708,626.90/1,062,441.98 = 329,144.74/x
  3. Step 3: Cross multiply
    708,626.90x = 1,062,441.98 × 329,144.74
  4. Step 4: Simplify right side
    708,626.90x = 349,697,189,272.19
  5. Step 5: Solve for x
    x = 349,697,189,272.19/708,626.90
  6. Step 6: Final answer
    x = 493,485.63

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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.