Home / 879,940.74-1,214,318.22-477,532.74

Finding the Fourth Proportional to 879,940.74, 1,214,318.22 and 477,532.74

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Solution

The fourth proportional to 879,940.74, 1,214,318.22 and 477,532.74 is: 658,995.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,940.74 : 1,214,318.22 = 477,532.74 : x
  2. Step 2: Convert to fraction form
    879,940.74/1,214,318.22 = 477,532.74/x
  3. Step 3: Cross multiply
    879,940.74x = 1,214,318.22 × 477,532.74
  4. Step 4: Simplify right side
    879,940.74x = 579,876,706,828.52
  5. Step 5: Solve for x
    x = 579,876,706,828.52/879,940.74
  6. Step 6: Final answer
    x = 658,995.18

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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.