Home / 828,282.08-1,242,217.92-354,913.76

Finding the Fourth Proportional to 828,282.08, 1,242,217.92 and 354,913.76

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Solution

The fourth proportional to 828,282.08, 1,242,217.92 and 354,913.76 is: 532,282.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,282.08 : 1,242,217.92 = 354,913.76 : x
  2. Step 2: Convert to fraction form
    828,282.08/1,242,217.92 = 354,913.76/x
  3. Step 3: Cross multiply
    828,282.08x = 1,242,217.92 × 354,913.76
  4. Step 4: Simplify right side
    828,282.08x = 440,880,232,726.58
  5. Step 5: Solve for x
    x = 440,880,232,726.58/828,282.08
  6. Step 6: Final answer
    x = 532,282.71

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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.