Home / 883,638.74-1,325,431.62-243,981.58

Finding the Fourth Proportional to 883,638.74, 1,325,431.62 and 243,981.58

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Solution

The fourth proportional to 883,638.74, 1,325,431.62 and 243,981.58 is: 365,965.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,638.74 : 1,325,431.62 = 243,981.58 : x
  2. Step 2: Convert to fraction form
    883,638.74/1,325,431.62 = 243,981.58/x
  3. Step 3: Cross multiply
    883,638.74x = 1,325,431.62 × 243,981.58
  4. Step 4: Simplify right side
    883,638.74x = 323,380,897,515.98
  5. Step 5: Solve for x
    x = 323,380,897,515.98/883,638.74
  6. Step 6: Final answer
    x = 365,965.05

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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.