Home / 743,042.77-1,025,424.38-416,369.57

Finding the Fourth Proportional to 743,042.77, 1,025,424.38 and 416,369.57

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Solution

The fourth proportional to 743,042.77, 1,025,424.38 and 416,369.57 is: 574,604.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,042.77 : 1,025,424.38 = 416,369.57 : x
  2. Step 2: Convert to fraction form
    743,042.77/1,025,424.38 = 416,369.57/x
  3. Step 3: Cross multiply
    743,042.77x = 1,025,424.38 × 416,369.57
  4. Step 4: Simplify right side
    743,042.77x = 426,955,504,081.92
  5. Step 5: Solve for x
    x = 426,955,504,081.92/743,042.77
  6. Step 6: Final answer
    x = 574,604.21

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Half scale
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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.