Home / 831,998.08-1,148,157.60-469,498.96

Finding the Fourth Proportional to 831,998.08, 1,148,157.60 and 469,498.96

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Solution

The fourth proportional to 831,998.08, 1,148,157.60 and 469,498.96 is: 647,908.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,998.08 : 1,148,157.60 = 469,498.96 : x
  2. Step 2: Convert to fraction form
    831,998.08/1,148,157.60 = 469,498.96/x
  3. Step 3: Cross multiply
    831,998.08x = 1,148,157.60 × 469,498.96
  4. Step 4: Simplify right side
    831,998.08x = 539,058,799,116.10
  5. Step 5: Solve for x
    x = 539,058,799,116.10/831,998.08
  6. Step 6: Final answer
    x = 647,908.71

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Double scale
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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.