Home / 921,531.71-1,381,299.06-471,635.74

Finding the Fourth Proportional to 921,531.71, 1,381,299.06 and 471,635.74

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Solution

The fourth proportional to 921,531.71, 1,381,299.06 and 471,635.74 is: 706,942.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,531.71 : 1,381,299.06 = 471,635.74 : x
  2. Step 2: Convert to fraction form
    921,531.71/1,381,299.06 = 471,635.74/x
  3. Step 3: Cross multiply
    921,531.71x = 1,381,299.06 × 471,635.74
  4. Step 4: Simplify right side
    921,531.71x = 651,470,004,324.40
  5. Step 5: Solve for x
    x = 651,470,004,324.40/921,531.71
  6. Step 6: Final answer
    x = 706,942.58

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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.