Home / 980,971.48-1,471,830.90-341,346.34

Finding the Fourth Proportional to 980,971.48, 1,471,830.90 and 341,346.34

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Solution

The fourth proportional to 980,971.48, 1,471,830.90 and 341,346.34 is: 512,149.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,971.48 : 1,471,830.90 = 341,346.34 : x
  2. Step 2: Convert to fraction form
    980,971.48/1,471,830.90 = 341,346.34/x
  3. Step 3: Cross multiply
    980,971.48x = 1,471,830.90 × 341,346.34
  4. Step 4: Simplify right side
    980,971.48x = 502,404,090,813.91
  5. Step 5: Solve for x
    x = 502,404,090,813.91/980,971.48
  6. Step 6: Final answer
    x = 512,149.54

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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.