Home / 620,249.02-855,964.32-348,364.81

Finding the Fourth Proportional to 620,249.02, 855,964.32 and 348,364.81

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Solution

The fourth proportional to 620,249.02, 855,964.32 and 348,364.81 is: 480,755.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,249.02 : 855,964.32 = 348,364.81 : x
  2. Step 2: Convert to fraction form
    620,249.02/855,964.32 = 348,364.81/x
  3. Step 3: Cross multiply
    620,249.02x = 855,964.32 × 348,364.81
  4. Step 4: Simplify right side
    620,249.02x = 298,187,847,703.58
  5. Step 5: Solve for x
    x = 298,187,847,703.58/620,249.02
  6. Step 6: Final answer
    x = 480,755.05

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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.