Home / 746,383.17-1,029,684.40-474,305.38

Finding the Fourth Proportional to 746,383.17, 1,029,684.40 and 474,305.38

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Solution

The fourth proportional to 746,383.17, 1,029,684.40 and 474,305.38 is: 654,335.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,383.17 : 1,029,684.40 = 474,305.38 : x
  2. Step 2: Convert to fraction form
    746,383.17/1,029,684.40 = 474,305.38/x
  3. Step 3: Cross multiply
    746,383.17x = 1,029,684.40 × 474,305.38
  4. Step 4: Simplify right side
    746,383.17x = 488,384,850,622.07
  5. Step 5: Solve for x
    x = 488,384,850,622.07/746,383.17
  6. Step 6: Final answer
    x = 654,335.29

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Double scale
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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.