Home / 893,638.42-1,340,036.35-324,618.39

Finding the Fourth Proportional to 893,638.42, 1,340,036.35 and 324,618.39

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Solution

The fourth proportional to 893,638.42, 1,340,036.35 and 324,618.39 is: 486,774.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,638.42 : 1,340,036.35 = 324,618.39 : x
  2. Step 2: Convert to fraction form
    893,638.42/1,340,036.35 = 324,618.39/x
  3. Step 3: Cross multiply
    893,638.42x = 1,340,036.35 × 324,618.39
  4. Step 4: Simplify right side
    893,638.42x = 435,000,441,666.93
  5. Step 5: Solve for x
    x = 435,000,441,666.93/893,638.42
  6. Step 6: Final answer
    x = 486,774.55

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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.