Home / 661,259.77-912,548.48-370,935.69

Finding the Fourth Proportional to 661,259.77, 912,548.48 and 370,935.69

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Solution

The fourth proportional to 661,259.77, 912,548.48 and 370,935.69 is: 511,896.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,259.77 : 912,548.48 = 370,935.69 : x
  2. Step 2: Convert to fraction form
    661,259.77/912,548.48 = 370,935.69/x
  3. Step 3: Cross multiply
    661,259.77x = 912,548.48 × 370,935.69
  4. Step 4: Simplify right side
    661,259.77x = 338,496,800,087.25
  5. Step 5: Solve for x
    x = 338,496,800,087.25/661,259.77
  6. Step 6: Final answer
    x = 511,896.86

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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.