Home / 873,687.18-1,309,995.57-340,585.41

Finding the Fourth Proportional to 873,687.18, 1,309,995.57 and 340,585.41

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Solution

The fourth proportional to 873,687.18, 1,309,995.57 and 340,585.41 is: 510,669.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,687.18 : 1,309,995.57 = 340,585.41 : x
  2. Step 2: Convert to fraction form
    873,687.18/1,309,995.57 = 340,585.41/x
  3. Step 3: Cross multiply
    873,687.18x = 1,309,995.57 × 340,585.41
  4. Step 4: Simplify right side
    873,687.18x = 446,165,378,306.63
  5. Step 5: Solve for x
    x = 446,165,378,306.63/873,687.18
  6. Step 6: Final answer
    x = 510,669.48

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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.