Home / 881,171.60-1,318,897.72-475,800.28

Finding the Fourth Proportional to 881,171.60, 1,318,897.72 and 475,800.28

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Solution

The fourth proportional to 881,171.60, 1,318,897.72 and 475,800.28 is: 712,156.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,171.60 : 1,318,897.72 = 475,800.28 : x
  2. Step 2: Convert to fraction form
    881,171.60/1,318,897.72 = 475,800.28/x
  3. Step 3: Cross multiply
    881,171.60x = 1,318,897.72 × 475,800.28
  4. Step 4: Simplify right side
    881,171.60x = 627,531,904,467.36
  5. Step 5: Solve for x
    x = 627,531,904,467.36/881,171.60
  6. Step 6: Final answer
    x = 712,156.30

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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.