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Finding the Fourth Proportional to 676,830.24, 1,015,806 and 339,967.08

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Solution

The fourth proportional to 676,830.24, 1,015,806 and 339,967.08 is: 510,232.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,830.24 : 1,015,806 = 339,967.08 : x
  2. Step 2: Convert to fraction form
    676,830.24/1,015,806 = 339,967.08/x
  3. Step 3: Cross multiply
    676,830.24x = 1,015,806 × 339,967.08
  4. Step 4: Simplify right side
    676,830.24x = 345,340,599,666.48
  5. Step 5: Solve for x
    x = 345,340,599,666.48/676,830.24
  6. Step 6: Final answer
    x = 510,232.23

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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.