Home / 313,864.02-472,503.97-285,963.30

Finding the Fourth Proportional to 313,864.02, 472,503.97 and 285,963.30

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Solution

The fourth proportional to 313,864.02, 472,503.97 and 285,963.30 is: 430,501.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,864.02 : 472,503.97 = 285,963.30 : x
  2. Step 2: Convert to fraction form
    313,864.02/472,503.97 = 285,963.30/x
  3. Step 3: Cross multiply
    313,864.02x = 472,503.97 × 285,963.30
  4. Step 4: Simplify right side
    313,864.02x = 135,118,794,524.30
  5. Step 5: Solve for x
    x = 135,118,794,524.30/313,864.02
  6. Step 6: Final answer
    x = 430,501.06

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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.