Home / 810,577.92-1,118,736-471,242.88

Finding the Fourth Proportional to 810,577.92, 1,118,736 and 471,242.88

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Solution

The fourth proportional to 810,577.92, 1,118,736 and 471,242.88 is: 650,395.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,577.92 : 1,118,736 = 471,242.88 : x
  2. Step 2: Convert to fraction form
    810,577.92/1,118,736 = 471,242.88/x
  3. Step 3: Cross multiply
    810,577.92x = 1,118,736 × 471,242.88
  4. Step 4: Simplify right side
    810,577.92x = 527,196,374,599.68
  5. Step 5: Solve for x
    x = 527,196,374,599.68/810,577.92
  6. Step 6: Final answer
    x = 650,395.68

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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.