Home / 854,684.10-1,178,309.88-548,228.46

Finding the Fourth Proportional to 854,684.10, 1,178,309.88 and 548,228.46

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Solution

The fourth proportional to 854,684.10, 1,178,309.88 and 548,228.46 is: 755,814.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,684.10 : 1,178,309.88 = 548,228.46 : x
  2. Step 2: Convert to fraction form
    854,684.10/1,178,309.88 = 548,228.46/x
  3. Step 3: Cross multiply
    854,684.10x = 1,178,309.88 × 548,228.46
  4. Step 4: Simplify right side
    854,684.10x = 645,983,010,915.19
  5. Step 5: Solve for x
    x = 645,983,010,915.19/854,684.10
  6. Step 6: Final answer
    x = 755,814.94

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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.