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Finding the Fourth Proportional to 475,135.51, 655,161.59 and 302,780.46

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Solution

The fourth proportional to 475,135.51, 655,161.59 and 302,780.46 is: 417,502.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,135.51 : 655,161.59 = 302,780.46 : x
  2. Step 2: Convert to fraction form
    475,135.51/655,161.59 = 302,780.46/x
  3. Step 3: Cross multiply
    475,135.51x = 655,161.59 × 302,780.46
  4. Step 4: Simplify right side
    475,135.51x = 198,370,127,594.53
  5. Step 5: Solve for x
    x = 198,370,127,594.53/475,135.51
  6. Step 6: Final answer
    x = 417,502.21

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