Home / 743,557.17-1,026,106.79-404,025.33

Finding the Fourth Proportional to 743,557.17, 1,026,106.79 and 404,025.33

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Solution

The fourth proportional to 743,557.17, 1,026,106.79 and 404,025.33 is: 557,553.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,557.17 : 1,026,106.79 = 404,025.33 : x
  2. Step 2: Convert to fraction form
    743,557.17/1,026,106.79 = 404,025.33/x
  3. Step 3: Cross multiply
    743,557.17x = 1,026,106.79 × 404,025.33
  4. Step 4: Simplify right side
    743,557.17x = 414,573,132,424.86
  5. Step 5: Solve for x
    x = 414,573,132,424.86/743,557.17
  6. Step 6: Final answer
    x = 557,553.81

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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.