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Finding the Fourth Proportional to 580,401.72, 870,607.44 and 159,700.68

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Solution

The fourth proportional to 580,401.72, 870,607.44 and 159,700.68 is: 239,552.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,401.72 : 870,607.44 = 159,700.68 : x
  2. Step 2: Convert to fraction form
    580,401.72/870,607.44 = 159,700.68/x
  3. Step 3: Cross multiply
    580,401.72x = 870,607.44 × 159,700.68
  4. Step 4: Simplify right side
    580,401.72x = 139,036,600,181.06
  5. Step 5: Solve for x
    x = 139,036,600,181.06/580,401.72
  6. Step 6: Final answer
    x = 239,552.36

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Similar ratio
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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.