Home / 699,019.17-1,048,531.23-212,706

Finding the Fourth Proportional to 699,019.17, 1,048,531.23 and 212,706

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Solution

The fourth proportional to 699,019.17, 1,048,531.23 and 212,706 is: 319,059.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,019.17 : 1,048,531.23 = 212,706 : x
  2. Step 2: Convert to fraction form
    699,019.17/1,048,531.23 = 212,706/x
  3. Step 3: Cross multiply
    699,019.17x = 1,048,531.23 × 212,706
  4. Step 4: Simplify right side
    699,019.17x = 223,028,883,808.38
  5. Step 5: Solve for x
    x = 223,028,883,808.38/699,019.17
  6. Step 6: Final answer
    x = 319,059.75

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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.