Home / 743,809.68-1,026,464.13-404,278.74

Finding the Fourth Proportional to 743,809.68, 1,026,464.13 and 404,278.74

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Solution

The fourth proportional to 743,809.68, 1,026,464.13 and 404,278.74 is: 557,908.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,809.68 : 1,026,464.13 = 404,278.74 : x
  2. Step 2: Convert to fraction form
    743,809.68/1,026,464.13 = 404,278.74/x
  3. Step 3: Cross multiply
    743,809.68x = 1,026,464.13 × 404,278.74
  4. Step 4: Simplify right side
    743,809.68x = 414,977,625,131.60
  5. Step 5: Solve for x
    x = 414,977,625,131.60/743,809.68
  6. Step 6: Final answer
    x = 557,908.34

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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.