Home / 912,377.07-1,259,026.20-504,446.90

Finding the Fourth Proportional to 912,377.07, 1,259,026.20 and 504,446.90

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Solution

The fourth proportional to 912,377.07, 1,259,026.20 and 504,446.90 is: 696,106.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,377.07 : 1,259,026.20 = 504,446.90 : x
  2. Step 2: Convert to fraction form
    912,377.07/1,259,026.20 = 504,446.90/x
  3. Step 3: Cross multiply
    912,377.07x = 1,259,026.20 × 504,446.90
  4. Step 4: Simplify right side
    912,377.07x = 635,111,857,313.65
  5. Step 5: Solve for x
    x = 635,111,857,313.65/912,377.07
  6. Step 6: Final answer
    x = 696,106.77

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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.