Home / 756,787.39-1,044,374.75-412,620.50

Finding the Fourth Proportional to 756,787.39, 1,044,374.75 and 412,620.50

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Solution

The fourth proportional to 756,787.39, 1,044,374.75 and 412,620.50 is: 569,420.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,787.39 : 1,044,374.75 = 412,620.50 : x
  2. Step 2: Convert to fraction form
    756,787.39/1,044,374.75 = 412,620.50/x
  3. Step 3: Cross multiply
    756,787.39x = 1,044,374.75 × 412,620.50
  4. Step 4: Simplify right side
    756,787.39x = 430,930,431,532.38
  5. Step 5: Solve for x
    x = 430,930,431,532.38/756,787.39
  6. Step 6: Final answer
    x = 569,420.73

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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.