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Finding the Fourth Proportional to 601,612.20, 902,418.30 and 377,663.40

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Solution

The fourth proportional to 601,612.20, 902,418.30 and 377,663.40 is: 566,495.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,612.20 : 902,418.30 = 377,663.40 : x
  2. Step 2: Convert to fraction form
    601,612.20/902,418.30 = 377,663.40/x
  3. Step 3: Cross multiply
    601,612.20x = 902,418.30 × 377,663.40
  4. Step 4: Simplify right side
    601,612.20x = 340,810,363,400.22
  5. Step 5: Solve for x
    x = 340,810,363,400.22/601,612.20
  6. Step 6: Final answer
    x = 566,495.10

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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.