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Finding the Fourth Proportional to 551,401.60, 827,102.40 and 374,454.40

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Solution

The fourth proportional to 551,401.60, 827,102.40 and 374,454.40 is: 561,681.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,401.60 : 827,102.40 = 374,454.40 : x
  2. Step 2: Convert to fraction form
    551,401.60/827,102.40 = 374,454.40/x
  3. Step 3: Cross multiply
    551,401.60x = 827,102.40 × 374,454.40
  4. Step 4: Simplify right side
    551,401.60x = 309,712,132,930.56
  5. Step 5: Solve for x
    x = 309,712,132,930.56/551,401.60
  6. Step 6: Final answer
    x = 561,681.60

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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.