Home / 859,274.71-1,185,667.38-496,628.64

Finding the Fourth Proportional to 859,274.71, 1,185,667.38 and 496,628.64

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Solution

The fourth proportional to 859,274.71, 1,185,667.38 and 496,628.64 is: 685,271.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,274.71 : 1,185,667.38 = 496,628.64 : x
  2. Step 2: Convert to fraction form
    859,274.71/1,185,667.38 = 496,628.64/x
  3. Step 3: Cross multiply
    859,274.71x = 1,185,667.38 × 496,628.64
  4. Step 4: Simplify right side
    859,274.71x = 588,836,378,421.76
  5. Step 5: Solve for x
    x = 588,836,378,421.76/859,274.71
  6. Step 6: Final answer
    x = 685,271.40

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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.