Home / 759,787.20-1,139,680.80-444,081.60

Finding the Fourth Proportional to 759,787.20, 1,139,680.80 and 444,081.60

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Solution

The fourth proportional to 759,787.20, 1,139,680.80 and 444,081.60 is: 666,122.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,787.20 : 1,139,680.80 = 444,081.60 : x
  2. Step 2: Convert to fraction form
    759,787.20/1,139,680.80 = 444,081.60/x
  3. Step 3: Cross multiply
    759,787.20x = 1,139,680.80 × 444,081.60
  4. Step 4: Simplify right side
    759,787.20x = 506,111,273,153.28
  5. Step 5: Solve for x
    x = 506,111,273,153.28/759,787.20
  6. Step 6: Final answer
    x = 666,122.40

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Similar ratio
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1.5x scale

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.