Home / 971,728.57-1,341,415.42-627,732.23

Finding the Fourth Proportional to 971,728.57, 1,341,415.42 and 627,732.23

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Solution

The fourth proportional to 971,728.57, 1,341,415.42 and 627,732.23 is: 866,548.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,728.57 : 1,341,415.42 = 627,732.23 : x
  2. Step 2: Convert to fraction form
    971,728.57/1,341,415.42 = 627,732.23/x
  3. Step 3: Cross multiply
    971,728.57x = 1,341,415.42 × 627,732.23
  4. Step 4: Simplify right side
    971,728.57x = 842,049,692,952.99
  5. Step 5: Solve for x
    x = 842,049,692,952.99/971,728.57
  6. Step 6: Final answer
    x = 866,548.25

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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.