Home / 749,577.26-1,034,416.79-422,959.60

Finding the Fourth Proportional to 749,577.26, 1,034,416.79 and 422,959.60

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Solution

The fourth proportional to 749,577.26, 1,034,416.79 and 422,959.60 is: 583,684.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,577.26 : 1,034,416.79 = 422,959.60 : x
  2. Step 2: Convert to fraction form
    749,577.26/1,034,416.79 = 422,959.60/x
  3. Step 3: Cross multiply
    749,577.26x = 1,034,416.79 × 422,959.60
  4. Step 4: Simplify right side
    749,577.26x = 437,516,512,496.01
  5. Step 5: Solve for x
    x = 437,516,512,496.01/749,577.26
  6. Step 6: Final answer
    x = 583,684.34

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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.