Home / 765,594.21-1,148,146.98-253,164.39

Finding the Fourth Proportional to 765,594.21, 1,148,146.98 and 253,164.39

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Solution

The fourth proportional to 765,594.21, 1,148,146.98 and 253,164.39 is: 379,665.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,594.21 : 1,148,146.98 = 253,164.39 : x
  2. Step 2: Convert to fraction form
    765,594.21/1,148,146.98 = 253,164.39/x
  3. Step 3: Cross multiply
    765,594.21x = 1,148,146.98 × 253,164.39
  4. Step 4: Simplify right side
    765,594.21x = 290,669,925,279.15
  5. Step 5: Solve for x
    x = 290,669,925,279.15/765,594.21
  6. Step 6: Final answer
    x = 379,665.79

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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.