Home / 912,478.87-1,259,229.04-504,608.33

Finding the Fourth Proportional to 912,478.87, 1,259,229.04 and 504,608.33

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Solution

The fourth proportional to 912,478.87, 1,259,229.04 and 504,608.33 is: 696,364.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,478.87 : 1,259,229.04 = 504,608.33 : x
  2. Step 2: Convert to fraction form
    912,478.87/1,259,229.04 = 504,608.33/x
  3. Step 3: Cross multiply
    912,478.87x = 1,259,229.04 × 504,608.33
  4. Step 4: Simplify right side
    912,478.87x = 635,417,464,848.46
  5. Step 5: Solve for x
    x = 635,417,464,848.46/912,478.87
  6. Step 6: Final answer
    x = 696,364.03

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Double scale
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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.