Home / 636,229.24-877,974.08-349,747.44

Finding the Fourth Proportional to 636,229.24, 877,974.08 and 349,747.44

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Solution

The fourth proportional to 636,229.24, 877,974.08 and 349,747.44 is: 482,639.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,229.24 : 877,974.08 = 349,747.44 : x
  2. Step 2: Convert to fraction form
    636,229.24/877,974.08 = 349,747.44/x
  3. Step 3: Cross multiply
    636,229.24x = 877,974.08 × 349,747.44
  4. Step 4: Simplify right side
    636,229.24x = 307,069,186,866.36
  5. Step 5: Solve for x
    x = 307,069,186,866.36/636,229.24
  6. Step 6: Final answer
    x = 482,639.22

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1.5x scale

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.