Home / 914,932.25-1,262,613.79-507,040.75

Finding the Fourth Proportional to 914,932.25, 1,262,613.79 and 507,040.75

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Solution

The fourth proportional to 914,932.25, 1,262,613.79 and 507,040.75 is: 699,720.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,932.25 : 1,262,613.79 = 507,040.75 : x
  2. Step 2: Convert to fraction form
    914,932.25/1,262,613.79 = 507,040.75/x
  3. Step 3: Cross multiply
    914,932.25x = 1,262,613.79 × 507,040.75
  4. Step 4: Simplify right side
    914,932.25x = 640,196,643,041.94
  5. Step 5: Solve for x
    x = 640,196,643,041.94/914,932.25
  6. Step 6: Final answer
    x = 699,720.27

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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.