Home / 831,521.55-1,247,282.33-270,556.05

Finding the Fourth Proportional to 831,521.55, 1,247,282.33 and 270,556.05

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Solution

The fourth proportional to 831,521.55, 1,247,282.33 and 270,556.05 is: 405,834.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,521.55 : 1,247,282.33 = 270,556.05 : x
  2. Step 2: Convert to fraction form
    831,521.55/1,247,282.33 = 270,556.05/x
  3. Step 3: Cross multiply
    831,521.55x = 1,247,282.33 × 270,556.05
  4. Step 4: Simplify right side
    831,521.55x = 337,459,779,086.82
  5. Step 5: Solve for x
    x = 337,459,779,086.82/831,521.55
  6. Step 6: Final answer
    x = 405,834.08

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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.