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Finding the Fourth Proportional to 576,978.70, 865,562.10 and 177,619.54

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Solution

The fourth proportional to 576,978.70, 865,562.10 and 177,619.54 is: 266,458.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,978.70 : 865,562.10 = 177,619.54 : x
  2. Step 2: Convert to fraction form
    576,978.70/865,562.10 = 177,619.54/x
  3. Step 3: Cross multiply
    576,978.70x = 865,562.10 × 177,619.54
  4. Step 4: Simplify right side
    576,978.70x = 153,740,742,043.43
  5. Step 5: Solve for x
    x = 153,740,742,043.43/576,978.70
  6. Step 6: Final answer
    x = 266,458.26

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.