Home / 854,390.16-1,179,064.44-467,207.28

Finding the Fourth Proportional to 854,390.16, 1,179,064.44 and 467,207.28

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Solution

The fourth proportional to 854,390.16, 1,179,064.44 and 467,207.28 is: 644,749.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,390.16 : 1,179,064.44 = 467,207.28 : x
  2. Step 2: Convert to fraction form
    854,390.16/1,179,064.44 = 467,207.28/x
  3. Step 3: Cross multiply
    854,390.16x = 1,179,064.44 × 467,207.28
  4. Step 4: Simplify right side
    854,390.16x = 550,867,489,957.12
  5. Step 5: Solve for x
    x = 550,867,489,957.12/854,390.16
  6. Step 6: Final answer
    x = 644,749.34

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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.