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Finding the Fourth Proportional to 448,528, 672,792 and 307,860.16

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Solution

The fourth proportional to 448,528, 672,792 and 307,860.16 is: 461,790.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,528 : 672,792 = 307,860.16 : x
  2. Step 2: Convert to fraction form
    448,528/672,792 = 307,860.16/x
  3. Step 3: Cross multiply
    448,528x = 672,792 × 307,860.16
  4. Step 4: Simplify right side
    448,528x = 207,125,852,766.72
  5. Step 5: Solve for x
    x = 207,125,852,766.72/448,528
  6. Step 6: Final answer
    x = 461,790.24

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