Home / 790,711.86-1,090,736.70-500,233.26

Finding the Fourth Proportional to 790,711.86, 1,090,736.70 and 500,233.26

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Solution

The fourth proportional to 790,711.86, 1,090,736.70 and 500,233.26 is: 690,039.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,711.86 : 1,090,736.70 = 500,233.26 : x
  2. Step 2: Convert to fraction form
    790,711.86/1,090,736.70 = 500,233.26/x
  3. Step 3: Cross multiply
    790,711.86x = 1,090,736.70 × 500,233.26
  4. Step 4: Simplify right side
    790,711.86x = 545,622,775,242.64
  5. Step 5: Solve for x
    x = 545,622,775,242.64/790,711.86
  6. Step 6: Final answer
    x = 690,039.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.