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Finding the Fourth Proportional to 497,465.25, 686,520.46 and 282,641.70

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Solution

The fourth proportional to 497,465.25, 686,520.46 and 282,641.70 is: 390,056.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,465.25 : 686,520.46 = 282,641.70 : x
  2. Step 2: Convert to fraction form
    497,465.25/686,520.46 = 282,641.70/x
  3. Step 3: Cross multiply
    497,465.25x = 686,520.46 × 282,641.70
  4. Step 4: Simplify right side
    497,465.25x = 194,039,312,826.94
  5. Step 5: Solve for x
    x = 194,039,312,826.94/497,465.25
  6. Step 6: Final answer
    x = 390,056.02

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