Home / 644,492.34-966,505.23-307,519.38

Finding the Fourth Proportional to 644,492.34, 966,505.23 and 307,519.38

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Solution

The fourth proportional to 644,492.34, 966,505.23 and 307,519.38 is: 461,167.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,492.34 : 966,505.23 = 307,519.38 : x
  2. Step 2: Convert to fraction form
    644,492.34/966,505.23 = 307,519.38/x
  3. Step 3: Cross multiply
    644,492.34x = 966,505.23 × 307,519.38
  4. Step 4: Simplify right side
    644,492.34x = 297,219,089,096.36
  5. Step 5: Solve for x
    x = 297,219,089,096.36/644,492.34
  6. Step 6: Final answer
    x = 461,167.76

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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.