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Finding the Fourth Proportional to 475,881.68, 712,870.80 and 286,237.34

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Solution

The fourth proportional to 475,881.68, 712,870.80 and 286,237.34 is: 428,783.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,881.68 : 712,870.80 = 286,237.34 : x
  2. Step 2: Convert to fraction form
    475,881.68/712,870.80 = 286,237.34/x
  3. Step 3: Cross multiply
    475,881.68x = 712,870.80 × 286,237.34
  4. Step 4: Simplify right side
    475,881.68x = 204,050,241,555.67
  5. Step 5: Solve for x
    x = 204,050,241,555.67/475,881.68
  6. Step 6: Final answer
    x = 428,783.56

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