Home / 970,531.40-1,455,840.30-330,825.80

Finding the Fourth Proportional to 970,531.40, 1,455,840.30 and 330,825.80

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Solution

The fourth proportional to 970,531.40, 1,455,840.30 and 330,825.80 is: 496,253.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,531.40 : 1,455,840.30 = 330,825.80 : x
  2. Step 2: Convert to fraction form
    970,531.40/1,455,840.30 = 330,825.80/x
  3. Step 3: Cross multiply
    970,531.40x = 1,455,840.30 × 330,825.80
  4. Step 4: Simplify right side
    970,531.40x = 481,629,531,919.74
  5. Step 5: Solve for x
    x = 481,629,531,919.74/970,531.40
  6. Step 6: Final answer
    x = 496,253.43

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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.