Home / 578,634.80-867,563.40-262,929.20

Finding the Fourth Proportional to 578,634.80, 867,563.40 and 262,929.20

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Solution

The fourth proportional to 578,634.80, 867,563.40 and 262,929.20 is: 394,217.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,634.80 : 867,563.40 = 262,929.20 : x
  2. Step 2: Convert to fraction form
    578,634.80/867,563.40 = 262,929.20/x
  3. Step 3: Cross multiply
    578,634.80x = 867,563.40 × 262,929.20
  4. Step 4: Simplify right side
    578,634.80x = 228,107,750,711.28
  5. Step 5: Solve for x
    x = 228,107,750,711.28/578,634.80
  6. Step 6: Final answer
    x = 394,217.13

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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.