Home / 646,201.60-891,773.85-359,741.05

Finding the Fourth Proportional to 646,201.60, 891,773.85 and 359,741.05

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Solution

The fourth proportional to 646,201.60, 891,773.85 and 359,741.05 is: 496,451.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,201.60 : 891,773.85 = 359,741.05 : x
  2. Step 2: Convert to fraction form
    646,201.60/891,773.85 = 359,741.05/x
  3. Step 3: Cross multiply
    646,201.60x = 891,773.85 × 359,741.05
  4. Step 4: Simplify right side
    646,201.60x = 320,807,660,281.14
  5. Step 5: Solve for x
    x = 320,807,660,281.14/646,201.60
  6. Step 6: Final answer
    x = 496,451.36

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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.