Home / 899,244.38-1,240,920.42-491,360.24

Finding the Fourth Proportional to 899,244.38, 1,240,920.42 and 491,360.24

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Solution

The fourth proportional to 899,244.38, 1,240,920.42 and 491,360.24 is: 678,057.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,244.38 : 1,240,920.42 = 491,360.24 : x
  2. Step 2: Convert to fraction form
    899,244.38/1,240,920.42 = 491,360.24/x
  3. Step 3: Cross multiply
    899,244.38x = 1,240,920.42 × 491,360.24
  4. Step 4: Simplify right side
    899,244.38x = 609,738,955,392.10
  5. Step 5: Solve for x
    x = 609,738,955,392.10/899,244.38
  6. Step 6: Final answer
    x = 678,057.01

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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.