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Finding the Fourth Proportional to 534,018.60, 801,322.74 and 218,696.40

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Solution

The fourth proportional to 534,018.60, 801,322.74 and 218,696.40 is: 328,165.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,018.60 : 801,322.74 = 218,696.40 : x
  2. Step 2: Convert to fraction form
    534,018.60/801,322.74 = 218,696.40/x
  3. Step 3: Cross multiply
    534,018.60x = 801,322.74 × 218,696.40
  4. Step 4: Simplify right side
    534,018.60x = 175,246,398,476.14
  5. Step 5: Solve for x
    x = 175,246,398,476.14/534,018.60
  6. Step 6: Final answer
    x = 328,165.35

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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.