Home / 725,403.93-1,001,037.45-403,105.74

Finding the Fourth Proportional to 725,403.93, 1,001,037.45 and 403,105.74

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Solution

The fourth proportional to 725,403.93, 1,001,037.45 and 403,105.74 is: 556,274.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,403.93 : 1,001,037.45 = 403,105.74 : x
  2. Step 2: Convert to fraction form
    725,403.93/1,001,037.45 = 403,105.74/x
  3. Step 3: Cross multiply
    725,403.93x = 1,001,037.45 × 403,105.74
  4. Step 4: Simplify right side
    725,403.93x = 403,523,942,049.96
  5. Step 5: Solve for x
    x = 403,523,942,049.96/725,403.93
  6. Step 6: Final answer
    x = 556,274.82

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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.