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Finding the Fourth Proportional to 440,178.16, 607,448.40 and 258,897.76

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Solution

The fourth proportional to 440,178.16, 607,448.40 and 258,897.76 is: 357,280.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,178.16 : 607,448.40 = 258,897.76 : x
  2. Step 2: Convert to fraction form
    440,178.16/607,448.40 = 258,897.76/x
  3. Step 3: Cross multiply
    440,178.16x = 607,448.40 × 258,897.76
  4. Step 4: Simplify right side
    440,178.16x = 157,267,030,075.58
  5. Step 5: Solve for x
    x = 157,267,030,075.58/440,178.16
  6. Step 6: Final answer
    x = 357,280.40

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