Home / 867,309.40-1,301,061.30-268,265.80

Finding the Fourth Proportional to 867,309.40, 1,301,061.30 and 268,265.80

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Solution

The fourth proportional to 867,309.40, 1,301,061.30 and 268,265.80 is: 402,428.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,309.40 : 1,301,061.30 = 268,265.80 : x
  2. Step 2: Convert to fraction form
    867,309.40/1,301,061.30 = 268,265.80/x
  3. Step 3: Cross multiply
    867,309.40x = 1,301,061.30 × 268,265.80
  4. Step 4: Simplify right side
    867,309.40x = 349,030,250,493.54
  5. Step 5: Solve for x
    x = 349,030,250,493.54/867,309.40
  6. Step 6: Final answer
    x = 402,428.76

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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.