Home / 811,818.40-1,217,727.60-251,024.80

Finding the Fourth Proportional to 811,818.40, 1,217,727.60 and 251,024.80

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Solution

The fourth proportional to 811,818.40, 1,217,727.60 and 251,024.80 is: 376,537.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,818.40 : 1,217,727.60 = 251,024.80 : x
  2. Step 2: Convert to fraction form
    811,818.40/1,217,727.60 = 251,024.80/x
  3. Step 3: Cross multiply
    811,818.40x = 1,217,727.60 × 251,024.80
  4. Step 4: Simplify right side
    811,818.40x = 305,679,827,244.48
  5. Step 5: Solve for x
    x = 305,679,827,244.48/811,818.40
  6. Step 6: Final answer
    x = 376,537.20

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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.