Home / 831,885.03-1,148,001.36-449,911.82

Finding the Fourth Proportional to 831,885.03, 1,148,001.36 and 449,911.82

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Solution

The fourth proportional to 831,885.03, 1,148,001.36 and 449,911.82 is: 620,878.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,885.03 : 1,148,001.36 = 449,911.82 : x
  2. Step 2: Convert to fraction form
    831,885.03/1,148,001.36 = 449,911.82/x
  3. Step 3: Cross multiply
    831,885.03x = 1,148,001.36 × 449,911.82
  4. Step 4: Simplify right side
    831,885.03x = 516,499,381,240.08
  5. Step 5: Solve for x
    x = 516,499,381,240.08/831,885.03
  6. Step 6: Final answer
    x = 620,878.32

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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.