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Finding the Fourth Proportional to 582,544.16, 804,158.70 and 391,668.20

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Solution

The fourth proportional to 582,544.16, 804,158.70 and 391,668.20 is: 540,668.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,544.16 : 804,158.70 = 391,668.20 : x
  2. Step 2: Convert to fraction form
    582,544.16/804,158.70 = 391,668.20/x
  3. Step 3: Cross multiply
    582,544.16x = 804,158.70 × 391,668.20
  4. Step 4: Simplify right side
    582,544.16x = 314,963,390,543.34
  5. Step 5: Solve for x
    x = 314,963,390,543.34/582,544.16
  6. Step 6: Final answer
    x = 540,668.69

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