Home / 691,917.48-954,845.70-373,965.48

Finding the Fourth Proportional to 691,917.48, 954,845.70 and 373,965.48

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Solution

The fourth proportional to 691,917.48, 954,845.70 and 373,965.48 is: 516,072.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,917.48 : 954,845.70 = 373,965.48 : x
  2. Step 2: Convert to fraction form
    691,917.48/954,845.70 = 373,965.48/x
  3. Step 3: Cross multiply
    691,917.48x = 954,845.70 × 373,965.48
  4. Step 4: Simplify right side
    691,917.48x = 357,079,330,526.44
  5. Step 5: Solve for x
    x = 357,079,330,526.44/691,917.48
  6. Step 6: Final answer
    x = 516,072.13

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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.