Home / 725,328.99-1,088,210.76-292,823.73

Finding the Fourth Proportional to 725,328.99, 1,088,210.76 and 292,823.73

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Solution

The fourth proportional to 725,328.99, 1,088,210.76 and 292,823.73 is: 439,323.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,328.99 : 1,088,210.76 = 292,823.73 : x
  2. Step 2: Convert to fraction form
    725,328.99/1,088,210.76 = 292,823.73/x
  3. Step 3: Cross multiply
    725,328.99x = 1,088,210.76 × 292,823.73
  4. Step 4: Simplify right side
    725,328.99x = 318,653,933,769.34
  5. Step 5: Solve for x
    x = 318,653,933,769.34/725,328.99
  6. Step 6: Final answer
    x = 439,323.31

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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.