Home / 561,148.20-841,722.30-280,564.20

Finding the Fourth Proportional to 561,148.20, 841,722.30 and 280,564.20

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Solution

The fourth proportional to 561,148.20, 841,722.30 and 280,564.20 is: 420,846.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,148.20 : 841,722.30 = 280,564.20 : x
  2. Step 2: Convert to fraction form
    561,148.20/841,722.30 = 280,564.20/x
  3. Step 3: Cross multiply
    561,148.20x = 841,722.30 × 280,564.20
  4. Step 4: Simplify right side
    561,148.20x = 236,157,143,721.66
  5. Step 5: Solve for x
    x = 236,157,143,721.66/561,148.20
  6. Step 6: Final answer
    x = 420,846.30

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.