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Finding the Fourth Proportional to 583,886.80, 875,830.20 and 209,947.60

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Solution

The fourth proportional to 583,886.80, 875,830.20 and 209,947.60 is: 314,921.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,886.80 : 875,830.20 = 209,947.60 : x
  2. Step 2: Convert to fraction form
    583,886.80/875,830.20 = 209,947.60/x
  3. Step 3: Cross multiply
    583,886.80x = 875,830.20 × 209,947.60
  4. Step 4: Simplify right side
    583,886.80x = 183,878,448,497.52
  5. Step 5: Solve for x
    x = 183,878,448,497.52/583,886.80
  6. Step 6: Final answer
    x = 314,921.40

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