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Finding the Fourth Proportional to 644,495.59, 966,510.10 and 307,522.63

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Solution

The fourth proportional to 644,495.59, 966,510.10 and 307,522.63 is: 461,172.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,495.59 : 966,510.10 = 307,522.63 : x
  2. Step 2: Convert to fraction form
    644,495.59/966,510.10 = 307,522.63/x
  3. Step 3: Cross multiply
    644,495.59x = 966,510.10 × 307,522.63
  4. Step 4: Simplify right side
    644,495.59x = 297,223,727,873.56
  5. Step 5: Solve for x
    x = 297,223,727,873.56/644,495.59
  6. Step 6: Final answer
    x = 461,172.63

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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.