Home / 885,720.30-1,328,580.45-708,573.30

Finding the Fourth Proportional to 885,720.30, 1,328,580.45 and 708,573.30

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Solution

The fourth proportional to 885,720.30, 1,328,580.45 and 708,573.30 is: 1,062,859.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,720.30 : 1,328,580.45 = 708,573.30 : x
  2. Step 2: Convert to fraction form
    885,720.30/1,328,580.45 = 708,573.30/x
  3. Step 3: Cross multiply
    885,720.30x = 1,328,580.45 × 708,573.30
  4. Step 4: Simplify right side
    885,720.30x = 941,396,633,771.99
  5. Step 5: Solve for x
    x = 941,396,633,771.99/885,720.30
  6. Step 6: Final answer
    x = 1,062,859.95

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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.