Home / 687,315.04-1,031,066.28-399,262

Finding the Fourth Proportional to 687,315.04, 1,031,066.28 and 399,262

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Solution

The fourth proportional to 687,315.04, 1,031,066.28 and 399,262 is: 598,947.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,315.04 : 1,031,066.28 = 399,262 : x
  2. Step 2: Convert to fraction form
    687,315.04/1,031,066.28 = 399,262/x
  3. Step 3: Cross multiply
    687,315.04x = 1,031,066.28 × 399,262
  4. Step 4: Simplify right side
    687,315.04x = 411,665,585,085.36
  5. Step 5: Solve for x
    x = 411,665,585,085.36/687,315.04
  6. Step 6: Final answer
    x = 598,947.44

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