Home / 725,977.53-1,001,807.84-403,680.71

Finding the Fourth Proportional to 725,977.53, 1,001,807.84 and 403,680.71

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Solution

The fourth proportional to 725,977.53, 1,001,807.84 and 403,680.71 is: 557,056.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,977.53 : 1,001,807.84 = 403,680.71 : x
  2. Step 2: Convert to fraction form
    725,977.53/1,001,807.84 = 403,680.71/x
  3. Step 3: Cross multiply
    725,977.53x = 1,001,807.84 × 403,680.71
  4. Step 4: Simplify right side
    725,977.53x = 404,410,495,742.62
  5. Step 5: Solve for x
    x = 404,410,495,742.62/725,977.53
  6. Step 6: Final answer
    x = 557,056.49

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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.