Home / 854,329.81-1,280,861.99-517,291.24

Finding the Fourth Proportional to 854,329.81, 1,280,861.99 and 517,291.24

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Solution

The fourth proportional to 854,329.81, 1,280,861.99 and 517,291.24 is: 775,553.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,329.81 : 1,280,861.99 = 517,291.24 : x
  2. Step 2: Convert to fraction form
    854,329.81/1,280,861.99 = 517,291.24/x
  3. Step 3: Cross multiply
    854,329.81x = 1,280,861.99 × 517,291.24
  4. Step 4: Simplify right side
    854,329.81x = 662,578,680,671.66
  5. Step 5: Solve for x
    x = 662,578,680,671.66/854,329.81
  6. Step 6: Final answer
    x = 775,553.75

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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.