Home / 661,259.55-912,548.18-370,935.47

Finding the Fourth Proportional to 661,259.55, 912,548.18 and 370,935.47

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Solution

The fourth proportional to 661,259.55, 912,548.18 and 370,935.47 is: 511,896.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,259.55 : 912,548.18 = 370,935.47 : x
  2. Step 2: Convert to fraction form
    661,259.55/912,548.18 = 370,935.47/x
  3. Step 3: Cross multiply
    661,259.55x = 912,548.18 × 370,935.47
  4. Step 4: Simplify right side
    661,259.55x = 338,496,489,863.65
  5. Step 5: Solve for x
    x = 338,496,489,863.65/661,259.55
  6. Step 6: Final answer
    x = 511,896.56

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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.