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Finding the Fourth Proportional to 508,576.80, 763,210.80 and 283,936.80

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Solution

The fourth proportional to 508,576.80, 763,210.80 and 283,936.80 is: 426,098.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,576.80 : 763,210.80 = 283,936.80 : x
  2. Step 2: Convert to fraction form
    508,576.80/763,210.80 = 283,936.80/x
  3. Step 3: Cross multiply
    508,576.80x = 763,210.80 × 283,936.80
  4. Step 4: Simplify right side
    508,576.80x = 216,703,632,277.44
  5. Step 5: Solve for x
    x = 216,703,632,277.44/508,576.80
  6. Step 6: Final answer
    x = 426,098.15

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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.