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Finding the Fourth Proportional to 652,241.60, 978,362.40 and 547,265.60

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Solution

The fourth proportional to 652,241.60, 978,362.40 and 547,265.60 is: 820,898.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,241.60 : 978,362.40 = 547,265.60 : x
  2. Step 2: Convert to fraction form
    652,241.60/978,362.40 = 547,265.60/x
  3. Step 3: Cross multiply
    652,241.60x = 978,362.40 × 547,265.60
  4. Step 4: Simplify right side
    652,241.60x = 535,424,085,853.44
  5. Step 5: Solve for x
    x = 535,424,085,853.44/652,241.60
  6. Step 6: Final answer
    x = 820,898.40

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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.