Home / 965,085.42-1,447,638.60-291,172.76

Finding the Fourth Proportional to 965,085.42, 1,447,638.60 and 291,172.76

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Solution

The fourth proportional to 965,085.42, 1,447,638.60 and 291,172.76 is: 436,762.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,085.42 : 1,447,638.60 = 291,172.76 : x
  2. Step 2: Convert to fraction form
    965,085.42/1,447,638.60 = 291,172.76/x
  3. Step 3: Cross multiply
    965,085.42x = 1,447,638.60 × 291,172.76
  4. Step 4: Simplify right side
    965,085.42x = 421,512,919,406.34
  5. Step 5: Solve for x
    x = 421,512,919,406.34/965,085.42
  6. Step 6: Final answer
    x = 436,762.29

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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.