Home / 977,611.88-1,466,512.09-303,512.19

Finding the Fourth Proportional to 977,611.88, 1,466,512.09 and 303,512.19

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Solution

The fourth proportional to 977,611.88, 1,466,512.09 and 303,512.19 is: 455,297.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,611.88 : 1,466,512.09 = 303,512.19 : x
  2. Step 2: Convert to fraction form
    977,611.88/1,466,512.09 = 303,512.19/x
  3. Step 3: Cross multiply
    977,611.88x = 1,466,512.09 × 303,512.19
  4. Step 4: Simplify right side
    977,611.88x = 445,104,296,097.38
  5. Step 5: Solve for x
    x = 445,104,296,097.38/977,611.88
  6. Step 6: Final answer
    x = 455,297.55

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Double scale
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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.