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Finding the Fourth Proportional to 464,740.80, 697,111.20 and 371,428.80

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Solution

The fourth proportional to 464,740.80, 697,111.20 and 371,428.80 is: 557,143.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,740.80 : 697,111.20 = 371,428.80 : x
  2. Step 2: Convert to fraction form
    464,740.80/697,111.20 = 371,428.80/x
  3. Step 3: Cross multiply
    464,740.80x = 697,111.20 × 371,428.80
  4. Step 4: Simplify right side
    464,740.80x = 258,927,176,482.56
  5. Step 5: Solve for x
    x = 258,927,176,482.56/464,740.80
  6. Step 6: Final answer
    x = 557,143.20

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