Home / 679,647.14-1,019,252.80-224,136.11

Finding the Fourth Proportional to 679,647.14, 1,019,252.80 and 224,136.11

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Solution

The fourth proportional to 679,647.14, 1,019,252.80 and 224,136.11 is: 336,132.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,647.14 : 1,019,252.80 = 224,136.11 : x
  2. Step 2: Convert to fraction form
    679,647.14/1,019,252.80 = 224,136.11/x
  3. Step 3: Cross multiply
    679,647.14x = 1,019,252.80 × 224,136.11
  4. Step 4: Simplify right side
    679,647.14x = 228,451,360,526.91
  5. Step 5: Solve for x
    x = 228,451,360,526.91/679,647.14
  6. Step 6: Final answer
    x = 336,132.31

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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.