Home / 762,750.57-1,052,559.51-418,578.74

Finding the Fourth Proportional to 762,750.57, 1,052,559.51 and 418,578.74

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Solution

The fourth proportional to 762,750.57, 1,052,559.51 and 418,578.74 is: 577,618.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,750.57 : 1,052,559.51 = 418,578.74 : x
  2. Step 2: Convert to fraction form
    762,750.57/1,052,559.51 = 418,578.74/x
  3. Step 3: Cross multiply
    762,750.57x = 1,052,559.51 × 418,578.74
  4. Step 4: Simplify right side
    762,750.57x = 440,579,032,939.95
  5. Step 5: Solve for x
    x = 440,579,032,939.95/762,750.57
  6. Step 6: Final answer
    x = 577,618.75

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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.