Home / 313,877.02-472,523.60-285,976.30

Finding the Fourth Proportional to 313,877.02, 472,523.60 and 285,976.30

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Solution

The fourth proportional to 313,877.02, 472,523.60 and 285,976.30 is: 430,520.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,877.02 : 472,523.60 = 285,976.30 : x
  2. Step 2: Convert to fraction form
    313,877.02/472,523.60 = 285,976.30/x
  3. Step 3: Cross multiply
    313,877.02x = 472,523.60 × 285,976.30
  4. Step 4: Simplify right side
    313,877.02x = 135,130,550,790.68
  5. Step 5: Solve for x
    x = 135,130,550,790.68/313,877.02
  6. Step 6: Final answer
    x = 430,520.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.