Home / 657,295.26-907,064.82-370,815.36

Finding the Fourth Proportional to 657,295.26, 907,064.82 and 370,815.36

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Solution

The fourth proportional to 657,295.26, 907,064.82 and 370,815.36 is: 511,723.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,295.26 : 907,064.82 = 370,815.36 : x
  2. Step 2: Convert to fraction form
    657,295.26/907,064.82 = 370,815.36/x
  3. Step 3: Cross multiply
    657,295.26x = 907,064.82 × 370,815.36
  4. Step 4: Simplify right side
    657,295.26x = 336,353,567,771.64
  5. Step 5: Solve for x
    x = 336,353,567,771.64/657,295.26
  6. Step 6: Final answer
    x = 511,723.71

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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.