Home / 756,788.40-1,044,376.12-412,621.50

Finding the Fourth Proportional to 756,788.40, 1,044,376.12 and 412,621.50

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Solution

The fourth proportional to 756,788.40, 1,044,376.12 and 412,621.50 is: 569,422.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,788.40 : 1,044,376.12 = 412,621.50 : x
  2. Step 2: Convert to fraction form
    756,788.40/1,044,376.12 = 412,621.50/x
  3. Step 3: Cross multiply
    756,788.40x = 1,044,376.12 × 412,621.50
  4. Step 4: Simplify right side
    756,788.40x = 430,932,041,198.58
  5. Step 5: Solve for x
    x = 430,932,041,198.58/756,788.40
  6. Step 6: Final answer
    x = 569,422.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.