Home / 661,686.48-992,628.18-306,736.38

Finding the Fourth Proportional to 661,686.48, 992,628.18 and 306,736.38

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Solution

The fourth proportional to 661,686.48, 992,628.18 and 306,736.38 is: 460,150.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,686.48 : 992,628.18 = 306,736.38 : x
  2. Step 2: Convert to fraction form
    661,686.48/992,628.18 = 306,736.38/x
  3. Step 3: Cross multiply
    661,686.48x = 992,628.18 × 306,736.38
  4. Step 4: Simplify right side
    661,686.48x = 304,475,174,619.19
  5. Step 5: Solve for x
    x = 304,475,174,619.19/661,686.48
  6. Step 6: Final answer
    x = 460,150.21

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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.