Home / 851,082.74-1,174,480.16-469,145.06

Finding the Fourth Proportional to 851,082.74, 1,174,480.16 and 469,145.06

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Solution

The fourth proportional to 851,082.74, 1,174,480.16 and 469,145.06 is: 647,412.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,082.74 : 1,174,480.16 = 469,145.06 : x
  2. Step 2: Convert to fraction form
    851,082.74/1,174,480.16 = 469,145.06/x
  3. Step 3: Cross multiply
    851,082.74x = 1,174,480.16 × 469,145.06
  4. Step 4: Simplify right side
    851,082.74x = 551,001,556,913.88
  5. Step 5: Solve for x
    x = 551,001,556,913.88/851,082.74
  6. Step 6: Final answer
    x = 647,412.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.