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Finding the Fourth Proportional to 604,904.60, 907,356.90 and 394,779.80

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Solution

The fourth proportional to 604,904.60, 907,356.90 and 394,779.80 is: 592,169.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,904.60 : 907,356.90 = 394,779.80 : x
  2. Step 2: Convert to fraction form
    604,904.60/907,356.90 = 394,779.80/x
  3. Step 3: Cross multiply
    604,904.60x = 907,356.90 × 394,779.80
  4. Step 4: Simplify right side
    604,904.60x = 358,206,175,510.62
  5. Step 5: Solve for x
    x = 358,206,175,510.62/604,904.60
  6. Step 6: Final answer
    x = 592,169.70

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