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Finding the Fourth Proportional to 580,455.72, 870,688.44 and 159,754.68

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Solution

The fourth proportional to 580,455.72, 870,688.44 and 159,754.68 is: 239,633.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,455.72 : 870,688.44 = 159,754.68 : x
  2. Step 2: Convert to fraction form
    580,455.72/870,688.44 = 159,754.68/x
  3. Step 3: Cross multiply
    580,455.72x = 870,688.44 × 159,754.68
  4. Step 4: Simplify right side
    580,455.72x = 139,096,553,111.90
  5. Step 5: Solve for x
    x = 139,096,553,111.90/580,455.72
  6. Step 6: Final answer
    x = 239,633.36

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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.