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Finding the Fourth Proportional to 721,969.56, 996,005.25 and 435,330.41

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Solution

The fourth proportional to 721,969.56, 996,005.25 and 435,330.41 is: 600,567.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,969.56 : 996,005.25 = 435,330.41 : x
  2. Step 2: Convert to fraction form
    721,969.56/996,005.25 = 435,330.41/x
  3. Step 3: Cross multiply
    721,969.56x = 996,005.25 × 435,330.41
  4. Step 4: Simplify right side
    721,969.56x = 433,591,368,864.63
  5. Step 5: Solve for x
    x = 433,591,368,864.63/721,969.56
  6. Step 6: Final answer
    x = 600,567.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.