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Finding the Fourth Proportional to 647,071.36, 970,799.84 and 467,562.40

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Solution

The fourth proportional to 647,071.36, 970,799.84 and 467,562.40 is: 701,482.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,071.36 : 970,799.84 = 467,562.40 : x
  2. Step 2: Convert to fraction form
    647,071.36/970,799.84 = 467,562.40/x
  3. Step 3: Cross multiply
    647,071.36x = 970,799.84 × 467,562.40
  4. Step 4: Simplify right side
    647,071.36x = 453,909,503,110.02
  5. Step 5: Solve for x
    x = 453,909,503,110.02/647,071.36
  6. Step 6: Final answer
    x = 701,482.91

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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.