Home / 912,432.64-1,259,047.20-504,479.36

Finding the Fourth Proportional to 912,432.64, 1,259,047.20 and 504,479.36

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Solution

The fourth proportional to 912,432.64, 1,259,047.20 and 504,479.36 is: 696,120.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,432.64 : 1,259,047.20 = 504,479.36 : x
  2. Step 2: Convert to fraction form
    912,432.64/1,259,047.20 = 504,479.36/x
  3. Step 3: Cross multiply
    912,432.64x = 1,259,047.20 × 504,479.36
  4. Step 4: Simplify right side
    912,432.64x = 635,163,325,665.79
  5. Step 5: Solve for x
    x = 635,163,325,665.79/912,432.64
  6. Step 6: Final answer
    x = 696,120.79

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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.