Home / 878,631.81-1,318,150.46-373,209.12

Finding the Fourth Proportional to 878,631.81, 1,318,150.46 and 373,209.12

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Solution

The fourth proportional to 878,631.81, 1,318,150.46 and 373,209.12 is: 559,899.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,631.81 : 1,318,150.46 = 373,209.12 : x
  2. Step 2: Convert to fraction form
    878,631.81/1,318,150.46 = 373,209.12/x
  3. Step 3: Cross multiply
    878,631.81x = 1,318,150.46 × 373,209.12
  4. Step 4: Simplify right side
    878,631.81x = 491,945,774,137.22
  5. Step 5: Solve for x
    x = 491,945,774,137.22/878,631.81
  6. Step 6: Final answer
    x = 559,899.80

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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.