Home / 1,019,576.79-1,529,265.85-309,610.98

Finding the Fourth Proportional to 1,019,576.79, 1,529,265.85 and 309,610.98

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Solution

The fourth proportional to 1,019,576.79, 1,529,265.85 and 309,610.98 is: 464,386.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,576.79 : 1,529,265.85 = 309,610.98 : x
  2. Step 2: Convert to fraction form
    1,019,576.79/1,529,265.85 = 309,610.98/x
  3. Step 3: Cross multiply
    1,019,576.79x = 1,529,265.85 × 309,610.98
  4. Step 4: Simplify right side
    1,019,576.79x = 473,477,497,725.01
  5. Step 5: Solve for x
    x = 473,477,497,725.01/1,019,576.79
  6. Step 6: Final answer
    x = 464,386.30

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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.