Home / 744,335.40-1,116,794.70-294,979.80

Finding the Fourth Proportional to 744,335.40, 1,116,794.70 and 294,979.80

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Solution

The fourth proportional to 744,335.40, 1,116,794.70 and 294,979.80 is: 442,585.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,335.40 : 1,116,794.70 = 294,979.80 : x
  2. Step 2: Convert to fraction form
    744,335.40/1,116,794.70 = 294,979.80/x
  3. Step 3: Cross multiply
    744,335.40x = 1,116,794.70 × 294,979.80
  4. Step 4: Simplify right side
    744,335.40x = 329,431,877,247.06
  5. Step 5: Solve for x
    x = 329,431,877,247.06/744,335.40
  6. Step 6: Final answer
    x = 442,585.26

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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.