Home / 828,443.49-1,243,024.94-449,631.85

Finding the Fourth Proportional to 828,443.49, 1,243,024.94 and 449,631.85

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Solution

The fourth proportional to 828,443.49, 1,243,024.94 and 449,631.85 is: 674,643.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,443.49 : 1,243,024.94 = 449,631.85 : x
  2. Step 2: Convert to fraction form
    828,443.49/1,243,024.94 = 449,631.85/x
  3. Step 3: Cross multiply
    828,443.49x = 1,243,024.94 × 449,631.85
  4. Step 4: Simplify right side
    828,443.49x = 558,903,603,368.34
  5. Step 5: Solve for x
    x = 558,903,603,368.34/828,443.49
  6. Step 6: Final answer
    x = 674,643.00

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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.