Home / 784,427.05-1,176,804.60-252,001.90

Finding the Fourth Proportional to 784,427.05, 1,176,804.60 and 252,001.90

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Solution

The fourth proportional to 784,427.05, 1,176,804.60 and 252,001.90 is: 378,055.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,427.05 : 1,176,804.60 = 252,001.90 : x
  2. Step 2: Convert to fraction form
    784,427.05/1,176,804.60 = 252,001.90/x
  3. Step 3: Cross multiply
    784,427.05x = 1,176,804.60 × 252,001.90
  4. Step 4: Simplify right side
    784,427.05x = 296,556,995,128.74
  5. Step 5: Solve for x
    x = 296,556,995,128.74/784,427.05
  6. Step 6: Final answer
    x = 378,055.54

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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.