Home / 906,528.78-1,357,968.42-419,524.38

Finding the Fourth Proportional to 906,528.78, 1,357,968.42 and 419,524.38

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Solution

The fourth proportional to 906,528.78, 1,357,968.42 and 419,524.38 is: 628,442.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,528.78 : 1,357,968.42 = 419,524.38 : x
  2. Step 2: Convert to fraction form
    906,528.78/1,357,968.42 = 419,524.38/x
  3. Step 3: Cross multiply
    906,528.78x = 1,357,968.42 × 419,524.38
  4. Step 4: Simplify right side
    906,528.78x = 569,700,859,460.08
  5. Step 5: Solve for x
    x = 569,700,859,460.08/906,528.78
  6. Step 6: Final answer
    x = 628,442.11

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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.