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Finding the Fourth Proportional to 657,806.34, 907,675.70 and 385,771.53

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Solution

The fourth proportional to 657,806.34, 907,675.70 and 385,771.53 is: 532,307.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,806.34 : 907,675.70 = 385,771.53 : x
  2. Step 2: Convert to fraction form
    657,806.34/907,675.70 = 385,771.53/x
  3. Step 3: Cross multiply
    657,806.34x = 907,675.70 × 385,771.53
  4. Step 4: Simplify right side
    657,806.34x = 350,155,441,603.96
  5. Step 5: Solve for x
    x = 350,155,441,603.96/657,806.34
  6. Step 6: Final answer
    x = 532,307.79

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