Home / 867,655.08-1,300,999.80-268,446.24

Finding the Fourth Proportional to 867,655.08, 1,300,999.80 and 268,446.24

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Solution

The fourth proportional to 867,655.08, 1,300,999.80 and 268,446.24 is: 402,519.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,655.08 : 1,300,999.80 = 268,446.24 : x
  2. Step 2: Convert to fraction form
    867,655.08/1,300,999.80 = 268,446.24/x
  3. Step 3: Cross multiply
    867,655.08x = 1,300,999.80 × 268,446.24
  4. Step 4: Simplify right side
    867,655.08x = 349,248,504,550.75
  5. Step 5: Solve for x
    x = 349,248,504,550.75/867,655.08
  6. Step 6: Final answer
    x = 402,519.98

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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.