Home / 964,730.31-1,447,163.10-290,817.15

Finding the Fourth Proportional to 964,730.31, 1,447,163.10 and 290,817.15

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Solution

The fourth proportional to 964,730.31, 1,447,163.10 and 290,817.15 is: 436,246.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,730.31 : 1,447,163.10 = 290,817.15 : x
  2. Step 2: Convert to fraction form
    964,730.31/1,447,163.10 = 290,817.15/x
  3. Step 3: Cross multiply
    964,730.31x = 1,447,163.10 × 290,817.15
  4. Step 4: Simplify right side
    964,730.31x = 420,859,848,327.17
  5. Step 5: Solve for x
    x = 420,859,848,327.17/964,730.31
  6. Step 6: Final answer
    x = 436,246.11

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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.