Home / 661,929.89-913,434.35-367,561.35

Finding the Fourth Proportional to 661,929.89, 913,434.35 and 367,561.35

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Solution

The fourth proportional to 661,929.89, 913,434.35 and 367,561.35 is: 507,218.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,929.89 : 913,434.35 = 367,561.35 : x
  2. Step 2: Convert to fraction form
    661,929.89/913,434.35 = 367,561.35/x
  3. Step 3: Cross multiply
    661,929.89x = 913,434.35 × 367,561.35
  4. Step 4: Simplify right side
    661,929.89x = 335,743,160,984.57
  5. Step 5: Solve for x
    x = 335,743,160,984.57/661,929.89
  6. Step 6: Final answer
    x = 507,218.62

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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.