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Finding the Fourth Proportional to 562,192.16, 841,936.96 and 321,576.80

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Solution

The fourth proportional to 562,192.16, 841,936.96 and 321,576.80 is: 481,592.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,192.16 : 841,936.96 = 321,576.80 : x
  2. Step 2: Convert to fraction form
    562,192.16/841,936.96 = 321,576.80/x
  3. Step 3: Cross multiply
    562,192.16x = 841,936.96 × 321,576.80
  4. Step 4: Simplify right side
    562,192.16x = 270,747,393,398.53
  5. Step 5: Solve for x
    x = 270,747,393,398.53/562,192.16
  6. Step 6: Final answer
    x = 481,592.26

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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.