Home / 808,036.98-1,212,412.51-423,694.06

Finding the Fourth Proportional to 808,036.98, 1,212,412.51 and 423,694.06

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Solution

The fourth proportional to 808,036.98, 1,212,412.51 and 423,694.06 is: 635,728.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,036.98 : 1,212,412.51 = 423,694.06 : x
  2. Step 2: Convert to fraction form
    808,036.98/1,212,412.51 = 423,694.06/x
  3. Step 3: Cross multiply
    808,036.98x = 1,212,412.51 × 423,694.06
  4. Step 4: Simplify right side
    808,036.98x = 513,691,973,872.00
  5. Step 5: Solve for x
    x = 513,691,973,872.00/808,036.98
  6. Step 6: Final answer
    x = 635,728.30

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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.