Home / 724,811.40-1,086,828.30-303,611.40

Finding the Fourth Proportional to 724,811.40, 1,086,828.30 and 303,611.40

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Solution

The fourth proportional to 724,811.40, 1,086,828.30 and 303,611.40 is: 455,254.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,811.40 : 1,086,828.30 = 303,611.40 : x
  2. Step 2: Convert to fraction form
    724,811.40/1,086,828.30 = 303,611.40/x
  3. Step 3: Cross multiply
    724,811.40x = 1,086,828.30 × 303,611.40
  4. Step 4: Simplify right side
    724,811.40x = 329,973,461,722.62
  5. Step 5: Solve for x
    x = 329,973,461,722.62/724,811.40
  6. Step 6: Final answer
    x = 455,254.24

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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.