Home / 726,890.40-1,090,335.34-194,397.59

Finding the Fourth Proportional to 726,890.40, 1,090,335.34 and 194,397.59

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Solution

The fourth proportional to 726,890.40, 1,090,335.34 and 194,397.59 is: 291,596.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,890.40 : 1,090,335.34 = 194,397.59 : x
  2. Step 2: Convert to fraction form
    726,890.40/1,090,335.34 = 194,397.59/x
  3. Step 3: Cross multiply
    726,890.40x = 1,090,335.34 × 194,397.59
  4. Step 4: Simplify right side
    726,890.40x = 211,958,562,387.83
  5. Step 5: Solve for x
    x = 211,958,562,387.83/726,890.40
  6. Step 6: Final answer
    x = 291,596.32

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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.