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Finding the Fourth Proportional to 657,253.01, 907,051.16 and 370,668.53

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Solution

The fourth proportional to 657,253.01, 907,051.16 and 370,668.53 is: 511,546.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,253.01 : 907,051.16 = 370,668.53 : x
  2. Step 2: Convert to fraction form
    657,253.01/907,051.16 = 370,668.53/x
  3. Step 3: Cross multiply
    657,253.01x = 907,051.16 × 370,668.53
  4. Step 4: Simplify right side
    657,253.01x = 336,215,320,112.00
  5. Step 5: Solve for x
    x = 336,215,320,112.00/657,253.01
  6. Step 6: Final answer
    x = 511,546.26

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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.