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Finding the Fourth Proportional to 561,380.80, 844,144.80 and 470,142.40

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Solution

The fourth proportional to 561,380.80, 844,144.80 and 470,142.40 is: 706,950.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,380.80 : 844,144.80 = 470,142.40 : x
  2. Step 2: Convert to fraction form
    561,380.80/844,144.80 = 470,142.40/x
  3. Step 3: Cross multiply
    561,380.80x = 844,144.80 × 470,142.40
  4. Step 4: Simplify right side
    561,380.80x = 396,868,262,219.52
  5. Step 5: Solve for x
    x = 396,868,262,219.52/561,380.80
  6. Step 6: Final answer
    x = 706,950.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.