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Finding the Fourth Proportional to 697,225.28, 962,267.40 and 391,319.87

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Solution

The fourth proportional to 697,225.28, 962,267.40 and 391,319.87 is: 540,075.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,225.28 : 962,267.40 = 391,319.87 : x
  2. Step 2: Convert to fraction form
    697,225.28/962,267.40 = 391,319.87/x
  3. Step 3: Cross multiply
    697,225.28x = 962,267.40 × 391,319.87
  4. Step 4: Simplify right side
    697,225.28x = 376,554,349,061.90
  5. Step 5: Solve for x
    x = 376,554,349,061.90/697,225.28
  6. Step 6: Final answer
    x = 540,075.59

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