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Finding the Fourth Proportional to 652,479.30, 978,718.95 and 337,551.30

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Solution

The fourth proportional to 652,479.30, 978,718.95 and 337,551.30 is: 506,326.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,479.30 : 978,718.95 = 337,551.30 : x
  2. Step 2: Convert to fraction form
    652,479.30/978,718.95 = 337,551.30/x
  3. Step 3: Cross multiply
    652,479.30x = 978,718.95 × 337,551.30
  4. Step 4: Simplify right side
    652,479.30x = 330,367,853,907.14
  5. Step 5: Solve for x
    x = 330,367,853,907.14/652,479.30
  6. Step 6: Final answer
    x = 506,326.95

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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.