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Finding the Fourth Proportional to 652,542.40, 978,813.60 and 652,542.40

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Solution

The fourth proportional to 652,542.40, 978,813.60 and 652,542.40 is: 978,813.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,542.40 : 978,813.60 = 652,542.40 : x
  2. Step 2: Convert to fraction form
    652,542.40/978,813.60 = 652,542.40/x
  3. Step 3: Cross multiply
    652,542.40x = 978,813.60 × 652,542.40
  4. Step 4: Simplify right side
    652,542.40x = 638,717,375,696.64
  5. Step 5: Solve for x
    x = 638,717,375,696.64/652,542.40
  6. Step 6: Final answer
    x = 978,813.60

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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.