Home / 964,889.79-1,445,507.83-644,074.31

Finding the Fourth Proportional to 964,889.79, 1,445,507.83 and 644,074.31

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Solution

The fourth proportional to 964,889.79, 1,445,507.83 and 644,074.31 is: 964,892.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,889.79 : 1,445,507.83 = 644,074.31 : x
  2. Step 2: Convert to fraction form
    964,889.79/1,445,507.83 = 644,074.31/x
  3. Step 3: Cross multiply
    964,889.79x = 1,445,507.83 × 644,074.31
  4. Step 4: Simplify right side
    964,889.79x = 931,014,458,206.85
  5. Step 5: Solve for x
    x = 931,014,458,206.85/964,889.79
  6. Step 6: Final answer
    x = 964,892.02

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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.