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Finding the Fourth Proportional to 507,224.74, 699,849.96 and 300,388.69

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Solution

The fourth proportional to 507,224.74, 699,849.96 and 300,388.69 is: 414,465.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,224.74 : 699,849.96 = 300,388.69 : x
  2. Step 2: Convert to fraction form
    507,224.74/699,849.96 = 300,388.69/x
  3. Step 3: Cross multiply
    507,224.74x = 699,849.96 × 300,388.69
  4. Step 4: Simplify right side
    507,224.74x = 210,227,012,680.95
  5. Step 5: Solve for x
    x = 210,227,012,680.95/507,224.74
  6. Step 6: Final answer
    x = 414,465.22

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1.5x scale

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.