Home / 724,880.19-1,087,320.30-275,495.43

Finding the Fourth Proportional to 724,880.19, 1,087,320.30 and 275,495.43

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Solution

The fourth proportional to 724,880.19, 1,087,320.30 and 275,495.43 is: 413,243.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,880.19 : 1,087,320.30 = 275,495.43 : x
  2. Step 2: Convert to fraction form
    724,880.19/1,087,320.30 = 275,495.43/x
  3. Step 3: Cross multiply
    724,880.19x = 1,087,320.30 × 275,495.43
  4. Step 4: Simplify right side
    724,880.19x = 299,551,773,596.23
  5. Step 5: Solve for x
    x = 299,551,773,596.23/724,880.19
  6. Step 6: Final answer
    x = 413,243.15

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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.