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Finding the Fourth Proportional to 557,744.80, 836,617.20 and 507,881.20

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Solution

The fourth proportional to 557,744.80, 836,617.20 and 507,881.20 is: 761,821.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,744.80 : 836,617.20 = 507,881.20 : x
  2. Step 2: Convert to fraction form
    557,744.80/836,617.20 = 507,881.20/x
  3. Step 3: Cross multiply
    557,744.80x = 836,617.20 × 507,881.20
  4. Step 4: Simplify right side
    557,744.80x = 424,902,147,476.64
  5. Step 5: Solve for x
    x = 424,902,147,476.64/557,744.80
  6. Step 6: Final answer
    x = 761,821.80

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Similar ratio
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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.