Home / 790,577.44-1,090,989.06-427,991.72

Finding the Fourth Proportional to 790,577.44, 1,090,989.06 and 427,991.72

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Solution

The fourth proportional to 790,577.44, 1,090,989.06 and 427,991.72 is: 590,624.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,577.44 : 1,090,989.06 = 427,991.72 : x
  2. Step 2: Convert to fraction form
    790,577.44/1,090,989.06 = 427,991.72/x
  3. Step 3: Cross multiply
    790,577.44x = 1,090,989.06 × 427,991.72
  4. Step 4: Simplify right side
    790,577.44x = 466,934,284,290.58
  5. Step 5: Solve for x
    x = 466,934,284,290.58/790,577.44
  6. Step 6: Final answer
    x = 590,624.35

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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.