Home / 699,045.84-964,674.06-393,122.12

Finding the Fourth Proportional to 699,045.84, 964,674.06 and 393,122.12

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Solution

The fourth proportional to 699,045.84, 964,674.06 and 393,122.12 is: 542,503.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,045.84 : 964,674.06 = 393,122.12 : x
  2. Step 2: Convert to fraction form
    699,045.84/964,674.06 = 393,122.12/x
  3. Step 3: Cross multiply
    699,045.84x = 964,674.06 × 393,122.12
  4. Step 4: Simplify right side
    699,045.84x = 379,234,706,752.84
  5. Step 5: Solve for x
    x = 379,234,706,752.84/699,045.84
  6. Step 6: Final answer
    x = 542,503.35

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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.