Home / 899,057.93-1,240,724.06-491,176.96

Finding the Fourth Proportional to 899,057.93, 1,240,724.06 and 491,176.96

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Solution

The fourth proportional to 899,057.93, 1,240,724.06 and 491,176.96 is: 677,837.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,057.93 : 1,240,724.06 = 491,176.96 : x
  2. Step 2: Convert to fraction form
    899,057.93/1,240,724.06 = 491,176.96/x
  3. Step 3: Cross multiply
    899,057.93x = 1,240,724.06 × 491,176.96
  4. Step 4: Simplify right side
    899,057.93x = 609,415,073,871.51
  5. Step 5: Solve for x
    x = 609,415,073,871.51/899,057.93
  6. Step 6: Final answer
    x = 677,837.38

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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.