Home / 867,015.72-1,300,897.14-361,676.22

Finding the Fourth Proportional to 867,015.72, 1,300,897.14 and 361,676.22

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Solution

The fourth proportional to 867,015.72, 1,300,897.14 and 361,676.22 is: 542,670.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,015.72 : 1,300,897.14 = 361,676.22 : x
  2. Step 2: Convert to fraction form
    867,015.72/1,300,897.14 = 361,676.22/x
  3. Step 3: Cross multiply
    867,015.72x = 1,300,897.14 × 361,676.22
  4. Step 4: Simplify right side
    867,015.72x = 470,503,560,204.01
  5. Step 5: Solve for x
    x = 470,503,560,204.01/867,015.72
  6. Step 6: Final answer
    x = 542,670.16

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1.5x scale

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.