Home / 876,055.30-1,313,110.95-343,399.30

Finding the Fourth Proportional to 876,055.30, 1,313,110.95 and 343,399.30

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Solution

The fourth proportional to 876,055.30, 1,313,110.95 and 343,399.30 is: 514,717.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,055.30 : 1,313,110.95 = 343,399.30 : x
  2. Step 2: Convert to fraction form
    876,055.30/1,313,110.95 = 343,399.30/x
  3. Step 3: Cross multiply
    876,055.30x = 1,313,110.95 × 343,399.30
  4. Step 4: Simplify right side
    876,055.30x = 450,921,381,052.34
  5. Step 5: Solve for x
    x = 450,921,381,052.34/876,055.30
  6. Step 6: Final answer
    x = 514,717.94

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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.