Home / 657,270.16-907,041.64-370,789.36

Finding the Fourth Proportional to 657,270.16, 907,041.64 and 370,789.36

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Solution

The fourth proportional to 657,270.16, 907,041.64 and 370,789.36 is: 511,694.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,270.16 : 907,041.64 = 370,789.36 : x
  2. Step 2: Convert to fraction form
    657,270.16/907,041.64 = 370,789.36/x
  3. Step 3: Cross multiply
    657,270.16x = 907,041.64 × 370,789.36
  4. Step 4: Simplify right side
    657,270.16x = 336,321,389,188.95
  5. Step 5: Solve for x
    x = 336,321,389,188.95/657,270.16
  6. Step 6: Final answer
    x = 511,694.29

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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.