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Finding the Fourth Proportional to 647,337.12, 970,331.94 and 362,610.24

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Solution

The fourth proportional to 647,337.12, 970,331.94 and 362,610.24 is: 543,537.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,337.12 : 970,331.94 = 362,610.24 : x
  2. Step 2: Convert to fraction form
    647,337.12/970,331.94 = 362,610.24/x
  3. Step 3: Cross multiply
    647,337.12x = 970,331.94 × 362,610.24
  4. Step 4: Simplify right side
    647,337.12x = 351,852,297,643.07
  5. Step 5: Solve for x
    x = 351,852,297,643.07/647,337.12
  6. Step 6: Final answer
    x = 543,537.96

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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.