Home / 911,994.36-1,367,253.60-379,915.08

Finding the Fourth Proportional to 911,994.36, 1,367,253.60 and 379,915.08

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Solution

The fourth proportional to 911,994.36, 1,367,253.60 and 379,915.08 is: 569,565.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,994.36 : 1,367,253.60 = 379,915.08 : x
  2. Step 2: Convert to fraction form
    911,994.36/1,367,253.60 = 379,915.08/x
  3. Step 3: Cross multiply
    911,994.36x = 1,367,253.60 × 379,915.08
  4. Step 4: Simplify right side
    911,994.36x = 519,440,260,824.29
  5. Step 5: Solve for x
    x = 519,440,260,824.29/911,994.36
  6. Step 6: Final answer
    x = 569,565.21

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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.