Home / 824,218.13-1,236,504.75-255,587.80

Finding the Fourth Proportional to 824,218.13, 1,236,504.75 and 255,587.80

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Solution

The fourth proportional to 824,218.13, 1,236,504.75 and 255,587.80 is: 383,436.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,218.13 : 1,236,504.75 = 255,587.80 : x
  2. Step 2: Convert to fraction form
    824,218.13/1,236,504.75 = 255,587.80/x
  3. Step 3: Cross multiply
    824,218.13x = 1,236,504.75 × 255,587.80
  4. Step 4: Simplify right side
    824,218.13x = 316,035,528,742.05
  5. Step 5: Solve for x
    x = 316,035,528,742.05/824,218.13
  6. Step 6: Final answer
    x = 383,436.76

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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.