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Finding the Fourth Proportional to 647,512.96, 971,943.11 and 476,927.29

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Solution

The fourth proportional to 647,512.96, 971,943.11 and 476,927.29 is: 715,887.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,512.96 : 971,943.11 = 476,927.29 : x
  2. Step 2: Convert to fraction form
    647,512.96/971,943.11 = 476,927.29/x
  3. Step 3: Cross multiply
    647,512.96x = 971,943.11 × 476,927.29
  4. Step 4: Simplify right side
    647,512.96x = 463,546,188,638.06
  5. Step 5: Solve for x
    x = 463,546,188,638.06/647,512.96
  6. Step 6: Final answer
    x = 715,887.12

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1.5x scale

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.