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Finding the Fourth Proportional to 876,376.00, 1,314,564 and 211,528.00

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Solution

The fourth proportional to 876,376.00, 1,314,564 and 211,528.00 is: 317,292.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,376.00 : 1,314,564 = 211,528.00 : x
  2. Step 2: Convert to fraction form
    876,376.00/1,314,564 = 211,528.00/x
  3. Step 3: Cross multiply
    876,376.00x = 1,314,564 × 211,528.00
  4. Step 4: Simplify right side
    876,376.00x = 278,067,090,505.59
  5. Step 5: Solve for x
    x = 278,067,090,505.59/876,376.00
  6. Step 6: Final answer
    x = 317,292.00

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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.