Home / 765,611.34-1,148,522.09-260,036.58

Finding the Fourth Proportional to 765,611.34, 1,148,522.09 and 260,036.58

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Solution

The fourth proportional to 765,611.34, 1,148,522.09 and 260,036.58 is: 390,090.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,611.34 : 1,148,522.09 = 260,036.58 : x
  2. Step 2: Convert to fraction form
    765,611.34/1,148,522.09 = 260,036.58/x
  3. Step 3: Cross multiply
    765,611.34x = 1,148,522.09 × 260,036.58
  4. Step 4: Simplify right side
    765,611.34x = 298,657,752,884.39
  5. Step 5: Solve for x
    x = 298,657,752,884.39/765,611.34
  6. Step 6: Final answer
    x = 390,090.55

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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.