Home / 718,904.56-1,078,495.08-275,638

Finding the Fourth Proportional to 718,904.56, 1,078,495.08 and 275,638

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Solution

The fourth proportional to 718,904.56, 1,078,495.08 and 275,638 is: 413,510.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,904.56 : 1,078,495.08 = 275,638 : x
  2. Step 2: Convert to fraction form
    718,904.56/1,078,495.08 = 275,638/x
  3. Step 3: Cross multiply
    718,904.56x = 1,078,495.08 × 275,638
  4. Step 4: Simplify right side
    718,904.56x = 297,274,226,861.04
  5. Step 5: Solve for x
    x = 297,274,226,861.04/718,904.56
  6. Step 6: Final answer
    x = 413,510.00

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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.