Home / 725,814.95-1,088,746.90-252,504.23

Finding the Fourth Proportional to 725,814.95, 1,088,746.90 and 252,504.23

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Solution

The fourth proportional to 725,814.95, 1,088,746.90 and 252,504.23 is: 378,764.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,814.95 : 1,088,746.90 = 252,504.23 : x
  2. Step 2: Convert to fraction form
    725,814.95/1,088,746.90 = 252,504.23/x
  3. Step 3: Cross multiply
    725,814.95x = 1,088,746.90 × 252,504.23
  4. Step 4: Simplify right side
    725,814.95x = 274,913,191,574.39
  5. Step 5: Solve for x
    x = 274,913,191,574.39/725,814.95
  6. Step 6: Final answer
    x = 378,764.85

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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.