Home / 867,617.60-1,301,306.40-268,990.40

Finding the Fourth Proportional to 867,617.60, 1,301,306.40 and 268,990.40

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Solution

The fourth proportional to 867,617.60, 1,301,306.40 and 268,990.40 is: 403,448.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,617.60 : 1,301,306.40 = 268,990.40 : x
  2. Step 2: Convert to fraction form
    867,617.60/1,301,306.40 = 268,990.40/x
  3. Step 3: Cross multiply
    867,617.60x = 1,301,306.40 × 268,990.40
  4. Step 4: Simplify right side
    867,617.60x = 350,038,929,058.56
  5. Step 5: Solve for x
    x = 350,038,929,058.56/867,617.60
  6. Step 6: Final answer
    x = 403,448.40

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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.