Home / 867,943.60-1,301,977.78-299,316.52

Finding the Fourth Proportional to 867,943.60, 1,301,977.78 and 299,316.52

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Solution

The fourth proportional to 867,943.60, 1,301,977.78 and 299,316.52 is: 448,996.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,943.60 : 1,301,977.78 = 299,316.52 : x
  2. Step 2: Convert to fraction form
    867,943.60/1,301,977.78 = 299,316.52/x
  3. Step 3: Cross multiply
    867,943.60x = 1,301,977.78 × 299,316.52
  4. Step 4: Simplify right side
    867,943.60x = 389,703,458,226.93
  5. Step 5: Solve for x
    x = 389,703,458,226.93/867,943.60
  6. Step 6: Final answer
    x = 448,996.29

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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.