Home / 447,590.42-617,682.66-243,647.22

Finding the Fourth Proportional to 447,590.42, 617,682.66 and 243,647.22

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Solution

The fourth proportional to 447,590.42, 617,682.66 and 243,647.22 is: 336,237.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,590.42 : 617,682.66 = 243,647.22 : x
  2. Step 2: Convert to fraction form
    447,590.42/617,682.66 = 243,647.22/x
  3. Step 3: Cross multiply
    447,590.42x = 617,682.66 × 243,647.22
  4. Step 4: Simplify right side
    447,590.42x = 150,496,662,951.21
  5. Step 5: Solve for x
    x = 150,496,662,951.21/447,590.42
  6. Step 6: Final answer
    x = 336,237.45

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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.