Home / 781,507.20-1,170,511.20-603,436.80

Finding the Fourth Proportional to 781,507.20, 1,170,511.20 and 603,436.80

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Solution

The fourth proportional to 781,507.20, 1,170,511.20 and 603,436.80 is: 903,804.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,507.20 : 1,170,511.20 = 603,436.80 : x
  2. Step 2: Convert to fraction form
    781,507.20/1,170,511.20 = 603,436.80/x
  3. Step 3: Cross multiply
    781,507.20x = 1,170,511.20 × 603,436.80
  4. Step 4: Simplify right side
    781,507.20x = 706,329,532,892.16
  5. Step 5: Solve for x
    x = 706,329,532,892.16/781,507.20
  6. Step 6: Final answer
    x = 903,804.26

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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.