Home / 912,490.12-1,259,244.51-504,619.42

Finding the Fourth Proportional to 912,490.12, 1,259,244.51 and 504,619.42

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Solution

The fourth proportional to 912,490.12, 1,259,244.51 and 504,619.42 is: 696,379.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,490.12 : 1,259,244.51 = 504,619.42 : x
  2. Step 2: Convert to fraction form
    912,490.12/1,259,244.51 = 504,619.42/x
  3. Step 3: Cross multiply
    912,490.12x = 1,259,244.51 × 504,619.42
  4. Step 4: Simplify right side
    912,490.12x = 635,439,234,274.38
  5. Step 5: Solve for x
    x = 635,439,234,274.38/912,490.12
  6. Step 6: Final answer
    x = 696,379.30

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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.