Home / 672,023.40-1,008,035.10-272,855.40

Finding the Fourth Proportional to 672,023.40, 1,008,035.10 and 272,855.40

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Solution

The fourth proportional to 672,023.40, 1,008,035.10 and 272,855.40 is: 409,283.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,023.40 : 1,008,035.10 = 272,855.40 : x
  2. Step 2: Convert to fraction form
    672,023.40/1,008,035.10 = 272,855.40/x
  3. Step 3: Cross multiply
    672,023.40x = 1,008,035.10 × 272,855.40
  4. Step 4: Simplify right side
    672,023.40x = 275,047,820,424.54
  5. Step 5: Solve for x
    x = 275,047,820,424.54/672,023.40
  6. Step 6: Final answer
    x = 409,283.10

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Similar ratio
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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.