Home / 964,888.17-1,445,505.40-644,072.68

Finding the Fourth Proportional to 964,888.17, 1,445,505.40 and 644,072.68

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Solution

The fourth proportional to 964,888.17, 1,445,505.40 and 644,072.68 is: 964,889.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,888.17 : 1,445,505.40 = 644,072.68 : x
  2. Step 2: Convert to fraction form
    964,888.17/1,445,505.40 = 644,072.68/x
  3. Step 3: Cross multiply
    964,888.17x = 1,445,505.40 × 644,072.68
  4. Step 4: Simplify right side
    964,888.17x = 931,010,535,921.54
  5. Step 5: Solve for x
    x = 931,010,535,921.54/964,888.17
  6. Step 6: Final answer
    x = 964,889.58

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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.