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Finding the Fourth Proportional to 652,246.10, 978,369.15 and 605,006.90

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Solution

The fourth proportional to 652,246.10, 978,369.15 and 605,006.90 is: 907,510.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,246.10 : 978,369.15 = 605,006.90 : x
  2. Step 2: Convert to fraction form
    652,246.10/978,369.15 = 605,006.90/x
  3. Step 3: Cross multiply
    652,246.10x = 978,369.15 × 605,006.90
  4. Step 4: Simplify right side
    652,246.10x = 591,920,086,497.14
  5. Step 5: Solve for x
    x = 591,920,086,497.14/652,246.10
  6. Step 6: Final answer
    x = 907,510.35

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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.