Home / 859,023.84-1,185,468.96-477,086.40

Finding the Fourth Proportional to 859,023.84, 1,185,468.96 and 477,086.40

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Solution

The fourth proportional to 859,023.84, 1,185,468.96 and 477,086.40 is: 658,388.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,023.84 : 1,185,468.96 = 477,086.40 : x
  2. Step 2: Convert to fraction form
    859,023.84/1,185,468.96 = 477,086.40/x
  3. Step 3: Cross multiply
    859,023.84x = 1,185,468.96 × 477,086.40
  4. Step 4: Simplify right side
    859,023.84x = 565,571,118,438.14
  5. Step 5: Solve for x
    x = 565,571,118,438.14/859,023.84
  6. Step 6: Final answer
    x = 658,388.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.