Home / 878,037.12-1,318,855.68-578,949.12

Finding the Fourth Proportional to 878,037.12, 1,318,855.68 and 578,949.12

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Solution

The fourth proportional to 878,037.12, 1,318,855.68 and 578,949.12 is: 869,610.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,037.12 : 1,318,855.68 = 578,949.12 : x
  2. Step 2: Convert to fraction form
    878,037.12/1,318,855.68 = 578,949.12/x
  3. Step 3: Cross multiply
    878,037.12x = 1,318,855.68 × 578,949.12
  4. Step 4: Simplify right side
    878,037.12x = 763,550,335,343.00
  5. Step 5: Solve for x
    x = 763,550,335,343.00/878,037.12
  6. Step 6: Final answer
    x = 869,610.54

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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.