Home / 831,827.36-1,147,925.22-449,854.15

Finding the Fourth Proportional to 831,827.36, 1,147,925.22 and 449,854.15

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Solution

The fourth proportional to 831,827.36, 1,147,925.22 and 449,854.15 is: 620,800.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,827.36 : 1,147,925.22 = 449,854.15 : x
  2. Step 2: Convert to fraction form
    831,827.36/1,147,925.22 = 449,854.15/x
  3. Step 3: Cross multiply
    831,827.36x = 1,147,925.22 × 449,854.15
  4. Step 4: Simplify right side
    831,827.36x = 516,398,924,106.66
  5. Step 5: Solve for x
    x = 516,398,924,106.66/831,827.36
  6. Step 6: Final answer
    x = 620,800.60

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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.