Home / 793,991.40-1,191,332.70-400,007.40

Finding the Fourth Proportional to 793,991.40, 1,191,332.70 and 400,007.40

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Solution

The fourth proportional to 793,991.40, 1,191,332.70 and 400,007.40 is: 600,185.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,991.40 : 1,191,332.70 = 400,007.40 : x
  2. Step 2: Convert to fraction form
    793,991.40/1,191,332.70 = 400,007.40/x
  3. Step 3: Cross multiply
    793,991.40x = 1,191,332.70 × 400,007.40
  4. Step 4: Simplify right side
    793,991.40x = 476,541,895,861.98
  5. Step 5: Solve for x
    x = 476,541,895,861.98/793,991.40
  6. Step 6: Final answer
    x = 600,185.21

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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.