Home / 743,607.64-1,026,193.71-404,097.76

Finding the Fourth Proportional to 743,607.64, 1,026,193.71 and 404,097.76

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Solution

The fourth proportional to 743,607.64, 1,026,193.71 and 404,097.76 is: 557,663.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,607.64 : 1,026,193.71 = 404,097.76 : x
  2. Step 2: Convert to fraction form
    743,607.64/1,026,193.71 = 404,097.76/x
  3. Step 3: Cross multiply
    743,607.64x = 1,026,193.71 × 404,097.76
  4. Step 4: Simplify right side
    743,607.64x = 414,682,580,062.15
  5. Step 5: Solve for x
    x = 414,682,580,062.15/743,607.64
  6. Step 6: Final answer
    x = 557,663.15

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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.