Home / 921,486.42-1,381,659.39-359,860.50

Finding the Fourth Proportional to 921,486.42, 1,381,659.39 and 359,860.50

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Solution

The fourth proportional to 921,486.42, 1,381,659.39 and 359,860.50 is: 539,568.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,486.42 : 1,381,659.39 = 359,860.50 : x
  2. Step 2: Convert to fraction form
    921,486.42/1,381,659.39 = 359,860.50/x
  3. Step 3: Cross multiply
    921,486.42x = 1,381,659.39 × 359,860.50
  4. Step 4: Simplify right side
    921,486.42x = 497,204,638,915.10
  5. Step 5: Solve for x
    x = 497,204,638,915.10/921,486.42
  6. Step 6: Final answer
    x = 539,568.06

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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.