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Finding the Fourth Proportional to 364,565.80, 546,848.70 and 288,458.20

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Solution

The fourth proportional to 364,565.80, 546,848.70 and 288,458.20 is: 432,687.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,565.80 : 546,848.70 = 288,458.20 : x
  2. Step 2: Convert to fraction form
    364,565.80/546,848.70 = 288,458.20/x
  3. Step 3: Cross multiply
    364,565.80x = 546,848.70 × 288,458.20
  4. Step 4: Simplify right side
    364,565.80x = 157,742,991,674.34
  5. Step 5: Solve for x
    x = 157,742,991,674.34/364,565.80
  6. Step 6: Final answer
    x = 432,687.30

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