Home / 726,941.70-1,090,326.42-194,503.86

Finding the Fourth Proportional to 726,941.70, 1,090,326.42 and 194,503.86

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Solution

The fourth proportional to 726,941.70, 1,090,326.42 and 194,503.86 is: 291,732.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,941.70 : 1,090,326.42 = 194,503.86 : x
  2. Step 2: Convert to fraction form
    726,941.70/1,090,326.42 = 194,503.86/x
  3. Step 3: Cross multiply
    726,941.70x = 1,090,326.42 × 194,503.86
  4. Step 4: Simplify right side
    726,941.70x = 212,072,697,349.98
  5. Step 5: Solve for x
    x = 212,072,697,349.98/726,941.70
  6. Step 6: Final answer
    x = 291,732.74

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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.