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Finding the Fourth Proportional to 647,475.70, 971,213.55 and 606,003.70

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Solution

The fourth proportional to 647,475.70, 971,213.55 and 606,003.70 is: 909,005.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,475.70 : 971,213.55 = 606,003.70 : x
  2. Step 2: Convert to fraction form
    647,475.70/971,213.55 = 606,003.70/x
  3. Step 3: Cross multiply
    647,475.70x = 971,213.55 × 606,003.70
  4. Step 4: Simplify right side
    647,475.70x = 588,559,004,790.14
  5. Step 5: Solve for x
    x = 588,559,004,790.14/647,475.70
  6. Step 6: Final answer
    x = 909,005.55

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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.