Home / 743,786.88-1,026,427.32-404,254.32

Finding the Fourth Proportional to 743,786.88, 1,026,427.32 and 404,254.32

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Solution

The fourth proportional to 743,786.88, 1,026,427.32 and 404,254.32 is: 557,871.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,786.88 : 1,026,427.32 = 404,254.32 : x
  2. Step 2: Convert to fraction form
    743,786.88/1,026,427.32 = 404,254.32/x
  3. Step 3: Cross multiply
    743,786.88x = 1,026,427.32 × 404,254.32
  4. Step 4: Simplify right side
    743,786.88x = 414,937,678,276.02
  5. Step 5: Solve for x
    x = 414,937,678,276.02/743,786.88
  6. Step 6: Final answer
    x = 557,871.74

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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.