Home / 867,520.96-1,301,342.24-268,403.20

Finding the Fourth Proportional to 867,520.96, 1,301,342.24 and 268,403.20

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Solution

The fourth proportional to 867,520.96, 1,301,342.24 and 268,403.20 is: 402,623.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,520.96 : 1,301,342.24 = 268,403.20 : x
  2. Step 2: Convert to fraction form
    867,520.96/1,301,342.24 = 268,403.20/x
  3. Step 3: Cross multiply
    867,520.96x = 1,301,342.24 × 268,403.20
  4. Step 4: Simplify right side
    867,520.96x = 349,284,421,511.17
  5. Step 5: Solve for x
    x = 349,284,421,511.17/867,520.96
  6. Step 6: Final answer
    x = 402,623.61

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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.