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Finding the Fourth Proportional to 562,402.20, 843,603.30 and 519,099.60

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Solution

The fourth proportional to 562,402.20, 843,603.30 and 519,099.60 is: 778,649.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,402.20 : 843,603.30 = 519,099.60 : x
  2. Step 2: Convert to fraction form
    562,402.20/843,603.30 = 519,099.60/x
  3. Step 3: Cross multiply
    562,402.20x = 843,603.30 × 519,099.60
  4. Step 4: Simplify right side
    562,402.20x = 437,914,135,588.68
  5. Step 5: Solve for x
    x = 437,914,135,588.68/562,402.20
  6. Step 6: Final answer
    x = 778,649.40

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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.