Home / 868,033.19-1,302,040.05-306,936.47

Finding the Fourth Proportional to 868,033.19, 1,302,040.05 and 306,936.47

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Solution

The fourth proportional to 868,033.19, 1,302,040.05 and 306,936.47 is: 460,401.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,033.19 : 1,302,040.05 = 306,936.47 : x
  2. Step 2: Convert to fraction form
    868,033.19/1,302,040.05 = 306,936.47/x
  3. Step 3: Cross multiply
    868,033.19x = 1,302,040.05 × 306,936.47
  4. Step 4: Simplify right side
    868,033.19x = 399,643,570,235.42
  5. Step 5: Solve for x
    x = 399,643,570,235.42/868,033.19
  6. Step 6: Final answer
    x = 460,401.26

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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.