Home / 620,250.02-855,965.70-348,365.82

Finding the Fourth Proportional to 620,250.02, 855,965.70 and 348,365.82

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Solution

The fourth proportional to 620,250.02, 855,965.70 and 348,365.82 is: 480,756.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,250.02 : 855,965.70 = 348,365.82 : x
  2. Step 2: Convert to fraction form
    620,250.02/855,965.70 = 348,365.82/x
  3. Step 3: Cross multiply
    620,250.02x = 855,965.70 × 348,365.82
  4. Step 4: Simplify right side
    620,250.02x = 298,189,192,972.37
  5. Step 5: Solve for x
    x = 298,189,192,972.37/620,250.02
  6. Step 6: Final answer
    x = 480,756.44

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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.