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Finding the Fourth Proportional to 559,635.90, 772,274.94 and 304,981.62

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Solution

The fourth proportional to 559,635.90, 772,274.94 and 304,981.62 is: 420,862.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,635.90 : 772,274.94 = 304,981.62 : x
  2. Step 2: Convert to fraction form
    559,635.90/772,274.94 = 304,981.62/x
  3. Step 3: Cross multiply
    559,635.90x = 772,274.94 × 304,981.62
  4. Step 4: Simplify right side
    559,635.90x = 235,529,662,286.60
  5. Step 5: Solve for x
    x = 235,529,662,286.60/559,635.90
  6. Step 6: Final answer
    x = 420,862.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.