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Finding the Fourth Proportional to 495,430.93, 683,671.83 and 280,572.56

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Solution

The fourth proportional to 495,430.93, 683,671.83 and 280,572.56 is: 387,177.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,430.93 : 683,671.83 = 280,572.56 : x
  2. Step 2: Convert to fraction form
    495,430.93/683,671.83 = 280,572.56/x
  3. Step 3: Cross multiply
    495,430.93x = 683,671.83 × 280,572.56
  4. Step 4: Simplify right side
    495,430.93x = 191,819,550,721.76
  5. Step 5: Solve for x
    x = 191,819,550,721.76/495,430.93
  6. Step 6: Final answer
    x = 387,177.18

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