Home / 908,694.90-1,254,007.44-500,811.30

Finding the Fourth Proportional to 908,694.90, 1,254,007.44 and 500,811.30

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Solution

The fourth proportional to 908,694.90, 1,254,007.44 and 500,811.30 is: 691,124.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,694.90 : 1,254,007.44 = 500,811.30 : x
  2. Step 2: Convert to fraction form
    908,694.90/1,254,007.44 = 500,811.30/x
  3. Step 3: Cross multiply
    908,694.90x = 1,254,007.44 × 500,811.30
  4. Step 4: Simplify right side
    908,694.90x = 628,021,096,236.07
  5. Step 5: Solve for x
    x = 628,021,096,236.07/908,694.90
  6. Step 6: Final answer
    x = 691,124.27

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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.