Home / 806,900.52-1,209,790.26-357,376.44

Finding the Fourth Proportional to 806,900.52, 1,209,790.26 and 357,376.44

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Solution

The fourth proportional to 806,900.52, 1,209,790.26 and 357,376.44 is: 535,816.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,900.52 : 1,209,790.26 = 357,376.44 : x
  2. Step 2: Convert to fraction form
    806,900.52/1,209,790.26 = 357,376.44/x
  3. Step 3: Cross multiply
    806,900.52x = 1,209,790.26 × 357,376.44
  4. Step 4: Simplify right side
    806,900.52x = 432,350,536,265.47
  5. Step 5: Solve for x
    x = 432,350,536,265.47/806,900.52
  6. Step 6: Final answer
    x = 535,816.41

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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.