Home / 712,630.08-983,442.24-390,335.04

Finding the Fourth Proportional to 712,630.08, 983,442.24 and 390,335.04

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Solution

The fourth proportional to 712,630.08, 983,442.24 and 390,335.04 is: 538,669.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,630.08 : 983,442.24 = 390,335.04 : x
  2. Step 2: Convert to fraction form
    712,630.08/983,442.24 = 390,335.04/x
  3. Step 3: Cross multiply
    712,630.08x = 983,442.24 × 390,335.04
  4. Step 4: Simplify right side
    712,630.08x = 383,871,966,088.09
  5. Step 5: Solve for x
    x = 383,871,966,088.09/712,630.08
  6. Step 6: Final answer
    x = 538,669.33

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