Home / 670,614.40-1,006,099.80-291,372.40

Finding the Fourth Proportional to 670,614.40, 1,006,099.80 and 291,372.40

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Solution

The fourth proportional to 670,614.40, 1,006,099.80 and 291,372.40 is: 437,136.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,614.40 : 1,006,099.80 = 291,372.40 : x
  2. Step 2: Convert to fraction form
    670,614.40/1,006,099.80 = 291,372.40/x
  3. Step 3: Cross multiply
    670,614.40x = 1,006,099.80 × 291,372.40
  4. Step 4: Simplify right side
    670,614.40x = 293,149,713,365.52
  5. Step 5: Solve for x
    x = 293,149,713,365.52/670,614.40
  6. Step 6: Final answer
    x = 437,136.03

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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.