Home / 470,003.13-648,605.79-255,143.34

Finding the Fourth Proportional to 470,003.13, 648,605.79 and 255,143.34

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Solution

The fourth proportional to 470,003.13, 648,605.79 and 255,143.34 is: 352,098.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,003.13 : 648,605.79 = 255,143.34 : x
  2. Step 2: Convert to fraction form
    470,003.13/648,605.79 = 255,143.34/x
  3. Step 3: Cross multiply
    470,003.13x = 648,605.79 × 255,143.34
  4. Step 4: Simplify right side
    470,003.13x = 165,487,447,603.94
  5. Step 5: Solve for x
    x = 165,487,447,603.94/470,003.13
  6. Step 6: Final answer
    x = 352,098.61

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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.