Home / 739,274.43-1,020,175.83-416,979.89

Finding the Fourth Proportional to 739,274.43, 1,020,175.83 and 416,979.89

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Solution

The fourth proportional to 739,274.43, 1,020,175.83 and 416,979.89 is: 575,419.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,274.43 : 1,020,175.83 = 416,979.89 : x
  2. Step 2: Convert to fraction form
    739,274.43/1,020,175.83 = 416,979.89/x
  3. Step 3: Cross multiply
    739,274.43x = 1,020,175.83 × 416,979.89
  4. Step 4: Simplify right side
    739,274.43x = 425,392,805,374.06
  5. Step 5: Solve for x
    x = 425,392,805,374.06/739,274.43
  6. Step 6: Final answer
    x = 575,419.34

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1.5x scale

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.