Home / 791,978.16-1,187,966.60-286,420.72

Finding the Fourth Proportional to 791,978.16, 1,187,966.60 and 286,420.72

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Solution

The fourth proportional to 791,978.16, 1,187,966.60 and 286,420.72 is: 429,630.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,978.16 : 1,187,966.60 = 286,420.72 : x
  2. Step 2: Convert to fraction form
    791,978.16/1,187,966.60 = 286,420.72/x
  3. Step 3: Cross multiply
    791,978.16x = 1,187,966.60 × 286,420.72
  4. Step 4: Simplify right side
    791,978.16x = 340,258,248,907.95
  5. Step 5: Solve for x
    x = 340,258,248,907.95/791,978.16
  6. Step 6: Final answer
    x = 429,630.85

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Why These Related Problems?

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