Home / 987,034.52-1,362,097.14-557,289.02

Finding the Fourth Proportional to 987,034.52, 1,362,097.14 and 557,289.02

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Solution

The fourth proportional to 987,034.52, 1,362,097.14 and 557,289.02 is: 769,052.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,034.52 : 1,362,097.14 = 557,289.02 : x
  2. Step 2: Convert to fraction form
    987,034.52/1,362,097.14 = 557,289.02/x
  3. Step 3: Cross multiply
    987,034.52x = 1,362,097.14 × 557,289.02
  4. Step 4: Simplify right side
    987,034.52x = 759,081,780,295.40
  5. Step 5: Solve for x
    x = 759,081,780,295.40/987,034.52
  6. Step 6: Final answer
    x = 769,052.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.