Home / 762,677.58-1,052,495.22-423,145.02

Finding the Fourth Proportional to 762,677.58, 1,052,495.22 and 423,145.02

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Solution

The fourth proportional to 762,677.58, 1,052,495.22 and 423,145.02 is: 583,940.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,677.58 : 1,052,495.22 = 423,145.02 : x
  2. Step 2: Convert to fraction form
    762,677.58/1,052,495.22 = 423,145.02/x
  3. Step 3: Cross multiply
    762,677.58x = 1,052,495.22 × 423,145.02
  4. Step 4: Simplify right side
    762,677.58x = 445,358,110,916.80
  5. Step 5: Solve for x
    x = 445,358,110,916.80/762,677.58
  6. Step 6: Final answer
    x = 583,940.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.