Home / 642,277.20-963,124.20-242,785.20

Finding the Fourth Proportional to 642,277.20, 963,124.20 and 242,785.20

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Solution

The fourth proportional to 642,277.20, 963,124.20 and 242,785.20 is: 364,067.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,277.20 : 963,124.20 = 242,785.20 : x
  2. Step 2: Convert to fraction form
    642,277.20/963,124.20 = 242,785.20/x
  3. Step 3: Cross multiply
    642,277.20x = 963,124.20 × 242,785.20
  4. Step 4: Simplify right side
    642,277.20x = 233,832,301,521.84
  5. Step 5: Solve for x
    x = 233,832,301,521.84/642,277.20
  6. Step 6: Final answer
    x = 364,067.57

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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.