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Finding the Fourth Proportional to 401,035.80, 601,553.70 and 357,490.20

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Solution

The fourth proportional to 401,035.80, 601,553.70 and 357,490.20 is: 536,235.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,035.80 : 601,553.70 = 357,490.20 : x
  2. Step 2: Convert to fraction form
    401,035.80/601,553.70 = 357,490.20/x
  3. Step 3: Cross multiply
    401,035.80x = 601,553.70 × 357,490.20
  4. Step 4: Simplify right side
    401,035.80x = 215,049,552,523.74
  5. Step 5: Solve for x
    x = 215,049,552,523.74/401,035.80
  6. Step 6: Final answer
    x = 536,235.30

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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.