Home / 709,611.20-1,064,719.20-372,910.40

Finding the Fourth Proportional to 709,611.20, 1,064,719.20 and 372,910.40

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Solution

The fourth proportional to 709,611.20, 1,064,719.20 and 372,910.40 is: 559,524.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,611.20 : 1,064,719.20 = 372,910.40 : x
  2. Step 2: Convert to fraction form
    709,611.20/1,064,719.20 = 372,910.40/x
  3. Step 3: Cross multiply
    709,611.20x = 1,064,719.20 × 372,910.40
  4. Step 4: Simplify right side
    709,611.20x = 397,044,862,759.68
  5. Step 5: Solve for x
    x = 397,044,862,759.68/709,611.20
  6. Step 6: Final answer
    x = 559,524.52

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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.