Home / 859,926.84-1,186,739.28-477,960

Finding the Fourth Proportional to 859,926.84, 1,186,739.28 and 477,960

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Solution

The fourth proportional to 859,926.84, 1,186,739.28 and 477,960 is: 659,607.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,926.84 : 1,186,739.28 = 477,960 : x
  2. Step 2: Convert to fraction form
    859,926.84/1,186,739.28 = 477,960/x
  3. Step 3: Cross multiply
    859,926.84x = 1,186,739.28 × 477,960
  4. Step 4: Simplify right side
    859,926.84x = 567,213,906,268.80
  5. Step 5: Solve for x
    x = 567,213,906,268.80/859,926.84
  6. Step 6: Final answer
    x = 659,607.17

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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.