Home / 790,712.86-1,090,738.08-500,234.26

Finding the Fourth Proportional to 790,712.86, 1,090,738.08 and 500,234.26

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Solution

The fourth proportional to 790,712.86, 1,090,738.08 and 500,234.26 is: 690,041.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,712.86 : 1,090,738.08 = 500,234.26 : x
  2. Step 2: Convert to fraction form
    790,712.86/1,090,738.08 = 500,234.26/x
  3. Step 3: Cross multiply
    790,712.86x = 1,090,738.08 × 500,234.26
  4. Step 4: Simplify right side
    790,712.86x = 545,624,556,302.62
  5. Step 5: Solve for x
    x = 545,624,556,302.62/790,712.86
  6. Step 6: Final answer
    x = 690,041.33

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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.