Home / 964,892.39-1,445,511.69-644,076.90

Finding the Fourth Proportional to 964,892.39, 1,445,511.69 and 644,076.90

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Solution

The fourth proportional to 964,892.39, 1,445,511.69 and 644,076.90 is: 964,895.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,892.39 : 1,445,511.69 = 644,076.90 : x
  2. Step 2: Convert to fraction form
    964,892.39/1,445,511.69 = 644,076.90/x
  3. Step 3: Cross multiply
    964,892.39x = 1,445,511.69 × 644,076.90
  4. Step 4: Simplify right side
    964,892.39x = 931,020,688,208.96
  5. Step 5: Solve for x
    x = 931,020,688,208.96/964,892.39
  6. Step 6: Final answer
    x = 964,895.88

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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.