Home / 1,019,364.81-1,529,052.12-309,399

Finding the Fourth Proportional to 1,019,364.81, 1,529,052.12 and 309,399

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Solution

The fourth proportional to 1,019,364.81, 1,529,052.12 and 309,399 is: 464,099.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,364.81 : 1,529,052.12 = 309,399 : x
  2. Step 2: Convert to fraction form
    1,019,364.81/1,529,052.12 = 309,399/x
  3. Step 3: Cross multiply
    1,019,364.81x = 1,529,052.12 × 309,399
  4. Step 4: Simplify right side
    1,019,364.81x = 473,087,196,875.88
  5. Step 5: Solve for x
    x = 473,087,196,875.88/1,019,364.81
  6. Step 6: Final answer
    x = 464,099.99

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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.