Home / 867,898.44-1,300,929.12-394,915.95

Finding the Fourth Proportional to 867,898.44, 1,300,929.12 and 394,915.95

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Solution

The fourth proportional to 867,898.44, 1,300,929.12 and 394,915.95 is: 591,955.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,898.44 : 1,300,929.12 = 394,915.95 : x
  2. Step 2: Convert to fraction form
    867,898.44/1,300,929.12 = 394,915.95/x
  3. Step 3: Cross multiply
    867,898.44x = 1,300,929.12 × 394,915.95
  4. Step 4: Simplify right side
    867,898.44x = 513,757,659,307.46
  5. Step 5: Solve for x
    x = 513,757,659,307.46/867,898.44
  6. Step 6: Final answer
    x = 591,955.97

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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.