Home / 692,633.21-1,039,053.71-243,274.88

Finding the Fourth Proportional to 692,633.21, 1,039,053.71 and 243,274.88

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Solution

The fourth proportional to 692,633.21, 1,039,053.71 and 243,274.88 is: 364,948.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,633.21 : 1,039,053.71 = 243,274.88 : x
  2. Step 2: Convert to fraction form
    692,633.21/1,039,053.71 = 243,274.88/x
  3. Step 3: Cross multiply
    692,633.21x = 1,039,053.71 × 243,274.88
  4. Step 4: Simplify right side
    692,633.21x = 252,775,667,995.07
  5. Step 5: Solve for x
    x = 252,775,667,995.07/692,633.21
  6. Step 6: Final answer
    x = 364,948.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.