Home / 828,682.72-1,143,669.96-506,581.36

Finding the Fourth Proportional to 828,682.72, 1,143,669.96 and 506,581.36

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Solution

The fourth proportional to 828,682.72, 1,143,669.96 and 506,581.36 is: 699,135.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,682.72 : 1,143,669.96 = 506,581.36 : x
  2. Step 2: Convert to fraction form
    828,682.72/1,143,669.96 = 506,581.36/x
  3. Step 3: Cross multiply
    828,682.72x = 1,143,669.96 × 506,581.36
  4. Step 4: Simplify right side
    828,682.72x = 579,361,883,727.95
  5. Step 5: Solve for x
    x = 579,361,883,727.95/828,682.72
  6. Step 6: Final answer
    x = 699,135.95

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1.5x scale

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.