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Finding the Fourth Proportional to 423,600.51, 584,074.83 and 315,983.73

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Solution

The fourth proportional to 423,600.51, 584,074.83 and 315,983.73 is: 435,689.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,600.51 : 584,074.83 = 315,983.73 : x
  2. Step 2: Convert to fraction form
    423,600.51/584,074.83 = 315,983.73/x
  3. Step 3: Cross multiply
    423,600.51x = 584,074.83 × 315,983.73
  4. Step 4: Simplify right side
    423,600.51x = 184,558,143,382.52
  5. Step 5: Solve for x
    x = 184,558,143,382.52/423,600.51
  6. Step 6: Final answer
    x = 435,689.14

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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.