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Finding the Fourth Proportional to 509,005.96, 702,492.66 and 307,801.48

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Solution

The fourth proportional to 509,005.96, 702,492.66 and 307,801.48 is: 424,805.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,005.96 : 702,492.66 = 307,801.48 : x
  2. Step 2: Convert to fraction form
    509,005.96/702,492.66 = 307,801.48/x
  3. Step 3: Cross multiply
    509,005.96x = 702,492.66 × 307,801.48
  4. Step 4: Simplify right side
    509,005.96x = 216,228,280,437.14
  5. Step 5: Solve for x
    x = 216,228,280,437.14/509,005.96
  6. Step 6: Final answer
    x = 424,805.01

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