Home / 854,339.16-1,178,990.07-467,179.68

Finding the Fourth Proportional to 854,339.16, 1,178,990.07 and 467,179.68

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Solution

The fourth proportional to 854,339.16, 1,178,990.07 and 467,179.68 is: 644,709.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,339.16 : 1,178,990.07 = 467,179.68 : x
  2. Step 2: Convert to fraction form
    854,339.16/1,178,990.07 = 467,179.68/x
  3. Step 3: Cross multiply
    854,339.16x = 1,178,990.07 × 467,179.68
  4. Step 4: Simplify right side
    854,339.16x = 550,800,203,625.78
  5. Step 5: Solve for x
    x = 550,800,203,625.78/854,339.16
  6. Step 6: Final answer
    x = 644,709.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.