Home / 918,432.32-1,267,451.68-504,986.56

Finding the Fourth Proportional to 918,432.32, 1,267,451.68 and 504,986.56

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Solution

The fourth proportional to 918,432.32, 1,267,451.68 and 504,986.56 is: 696,889.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,432.32 : 1,267,451.68 = 504,986.56 : x
  2. Step 2: Convert to fraction form
    918,432.32/1,267,451.68 = 504,986.56/x
  3. Step 3: Cross multiply
    918,432.32x = 1,267,451.68 × 504,986.56
  4. Step 4: Simplify right side
    918,432.32x = 640,046,063,849.42
  5. Step 5: Solve for x
    x = 640,046,063,849.42/918,432.32
  6. Step 6: Final answer
    x = 696,889.74

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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.