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Finding the Fourth Proportional to 435,703.80, 653,555.70 and 396,337.80

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Solution

The fourth proportional to 435,703.80, 653,555.70 and 396,337.80 is: 594,506.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,703.80 : 653,555.70 = 396,337.80 : x
  2. Step 2: Convert to fraction form
    435,703.80/653,555.70 = 396,337.80/x
  3. Step 3: Cross multiply
    435,703.80x = 653,555.70 × 396,337.80
  4. Step 4: Simplify right side
    435,703.80x = 259,028,828,315.46
  5. Step 5: Solve for x
    x = 259,028,828,315.46/435,703.80
  6. Step 6: Final answer
    x = 594,506.70

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