Home / 725,403.43-1,001,036.76-403,105.24

Finding the Fourth Proportional to 725,403.43, 1,001,036.76 and 403,105.24

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Solution

The fourth proportional to 725,403.43, 1,001,036.76 and 403,105.24 is: 556,274.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,403.43 : 1,001,036.76 = 403,105.24 : x
  2. Step 2: Convert to fraction form
    725,403.43/1,001,036.76 = 403,105.24/x
  3. Step 3: Cross multiply
    725,403.43x = 1,001,036.76 × 403,105.24
  4. Step 4: Simplify right side
    725,403.43x = 403,523,158,383.44
  5. Step 5: Solve for x
    x = 403,523,158,383.44/725,403.43
  6. Step 6: Final answer
    x = 556,274.13

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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.