Home / 854,939.40-1,282,409.10-322,477.80

Finding the Fourth Proportional to 854,939.40, 1,282,409.10 and 322,477.80

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Solution

The fourth proportional to 854,939.40, 1,282,409.10 and 322,477.80 is: 483,716.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,939.40 : 1,282,409.10 = 322,477.80 : x
  2. Step 2: Convert to fraction form
    854,939.40/1,282,409.10 = 322,477.80/x
  3. Step 3: Cross multiply
    854,939.40x = 1,282,409.10 × 322,477.80
  4. Step 4: Simplify right side
    854,939.40x = 413,548,465,267.98
  5. Step 5: Solve for x
    x = 413,548,465,267.98/854,939.40
  6. Step 6: Final answer
    x = 483,716.70

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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.