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Finding the Fourth Proportional to 348,547.10, 522,820.65 and 259,973.60

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Solution

The fourth proportional to 348,547.10, 522,820.65 and 259,973.60 is: 389,960.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,547.10 : 522,820.65 = 259,973.60 : x
  2. Step 2: Convert to fraction form
    348,547.10/522,820.65 = 259,973.60/x
  3. Step 3: Cross multiply
    348,547.10x = 522,820.65 × 259,973.60
  4. Step 4: Simplify right side
    348,547.10x = 135,919,566,534.84
  5. Step 5: Solve for x
    x = 135,919,566,534.84/348,547.10
  6. Step 6: Final answer
    x = 389,960.40

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