Home / 620,255.02-855,972.60-348,370.84

Finding the Fourth Proportional to 620,255.02, 855,972.60 and 348,370.84

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Solution

The fourth proportional to 620,255.02, 855,972.60 and 348,370.84 is: 480,763.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,255.02 : 855,972.60 = 348,370.84 : x
  2. Step 2: Convert to fraction form
    620,255.02/855,972.60 = 348,370.84/x
  3. Step 3: Cross multiply
    620,255.02x = 855,972.60 × 348,370.84
  4. Step 4: Simplify right side
    620,255.02x = 298,195,893,678.98
  5. Step 5: Solve for x
    x = 298,195,893,678.98/620,255.02
  6. Step 6: Final answer
    x = 480,763.37

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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.