Home / 831,884.29-1,148,000.33-449,911.07

Finding the Fourth Proportional to 831,884.29, 1,148,000.33 and 449,911.07

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Solution

The fourth proportional to 831,884.29, 1,148,000.33 and 449,911.07 is: 620,877.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,884.29 : 1,148,000.33 = 449,911.07 : x
  2. Step 2: Convert to fraction form
    831,884.29/1,148,000.33 = 449,911.07/x
  3. Step 3: Cross multiply
    831,884.29x = 1,148,000.33 × 449,911.07
  4. Step 4: Simplify right side
    831,884.29x = 516,498,054,581.10
  5. Step 5: Solve for x
    x = 516,498,054,581.10/831,884.29
  6. Step 6: Final answer
    x = 620,877.28

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1.5x scale

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.