Home / 313,826.02-472,446.60-285,925.30

Finding the Fourth Proportional to 313,826.02, 472,446.60 and 285,925.30

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Solution

The fourth proportional to 313,826.02, 472,446.60 and 285,925.30 is: 430,443.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,826.02 : 472,446.60 = 285,925.30 : x
  2. Step 2: Convert to fraction form
    313,826.02/472,446.60 = 285,925.30/x
  3. Step 3: Cross multiply
    313,826.02x = 472,446.60 × 285,925.30
  4. Step 4: Simplify right side
    313,826.02x = 135,084,435,838.98
  5. Step 5: Solve for x
    x = 135,084,435,838.98/313,826.02
  6. Step 6: Final answer
    x = 430,443.71

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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.