Home / 845,451.60-1,166,767.92-463,494.48

Finding the Fourth Proportional to 845,451.60, 1,166,767.92 and 463,494.48

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Solution

The fourth proportional to 845,451.60, 1,166,767.92 and 463,494.48 is: 639,646.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,451.60 : 1,166,767.92 = 463,494.48 : x
  2. Step 2: Convert to fraction form
    845,451.60/1,166,767.92 = 463,494.48/x
  3. Step 3: Cross multiply
    845,451.60x = 1,166,767.92 × 463,494.48
  4. Step 4: Simplify right side
    845,451.60x = 540,790,490,361.08
  5. Step 5: Solve for x
    x = 540,790,490,361.08/845,451.60
  6. Step 6: Final answer
    x = 639,646.89

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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.