Home / 762,314.51-1,141,947.10-458,540.98

Finding the Fourth Proportional to 762,314.51, 1,141,947.10 and 458,540.98

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Solution

The fourth proportional to 762,314.51, 1,141,947.10 and 458,540.98 is: 686,894.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,314.51 : 1,141,947.10 = 458,540.98 : x
  2. Step 2: Convert to fraction form
    762,314.51/1,141,947.10 = 458,540.98/x
  3. Step 3: Cross multiply
    762,314.51x = 1,141,947.10 × 458,540.98
  4. Step 4: Simplify right side
    762,314.51x = 523,629,538,340.94
  5. Step 5: Solve for x
    x = 523,629,538,340.94/762,314.51
  6. Step 6: Final answer
    x = 686,894.36

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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.