Home / 867,840.15-1,302,102.87-268,848.03

Finding the Fourth Proportional to 867,840.15, 1,302,102.87 and 268,848.03

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Solution

The fourth proportional to 867,840.15, 1,302,102.87 and 268,848.03 is: 403,378.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,840.15 : 1,302,102.87 = 268,848.03 : x
  2. Step 2: Convert to fraction form
    867,840.15/1,302,102.87 = 268,848.03/x
  3. Step 3: Cross multiply
    867,840.15x = 1,302,102.87 × 268,848.03
  4. Step 4: Simplify right side
    867,840.15x = 350,067,791,456.85
  5. Step 5: Solve for x
    x = 350,067,791,456.85/867,840.15
  6. Step 6: Final answer
    x = 403,378.19

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1.5x scale

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.