Home / 936,478.98-1,404,718.38-396,820.26

Finding the Fourth Proportional to 936,478.98, 1,404,718.38 and 396,820.26

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Solution

The fourth proportional to 936,478.98, 1,404,718.38 and 396,820.26 is: 595,230.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,478.98 : 1,404,718.38 = 396,820.26 : x
  2. Step 2: Convert to fraction form
    936,478.98/1,404,718.38 = 396,820.26/x
  3. Step 3: Cross multiply
    936,478.98x = 1,404,718.38 × 396,820.26
  4. Step 4: Simplify right side
    936,478.98x = 557,420,712,778.38
  5. Step 5: Solve for x
    x = 557,420,712,778.38/936,478.98
  6. Step 6: Final answer
    x = 595,230.35

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Double scale
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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.