Home / 613,809.03-847,099.04-372,101.79

Finding the Fourth Proportional to 613,809.03, 847,099.04 and 372,101.79

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Solution

The fourth proportional to 613,809.03, 847,099.04 and 372,101.79 is: 513,526.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,809.03 : 847,099.04 = 372,101.79 : x
  2. Step 2: Convert to fraction form
    613,809.03/847,099.04 = 372,101.79/x
  3. Step 3: Cross multiply
    613,809.03x = 847,099.04 × 372,101.79
  4. Step 4: Simplify right side
    613,809.03x = 315,207,067,230.77
  5. Step 5: Solve for x
    x = 315,207,067,230.77/613,809.03
  6. Step 6: Final answer
    x = 513,526.28

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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.