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Finding the Fourth Proportional to 661,179.96, 912,867.74 and 507,945.24

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Solution

The fourth proportional to 661,179.96, 912,867.74 and 507,945.24 is: 701,301.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,179.96 : 912,867.74 = 507,945.24 : x
  2. Step 2: Convert to fraction form
    661,179.96/912,867.74 = 507,945.24/x
  3. Step 3: Cross multiply
    661,179.96x = 912,867.74 × 507,945.24
  4. Step 4: Simplify right side
    661,179.96x = 463,686,823,282.56
  5. Step 5: Solve for x
    x = 463,686,823,282.56/661,179.96
  6. Step 6: Final answer
    x = 701,301.99

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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.