Home / 816,574.21-1,224,782.12-247,960.24

Finding the Fourth Proportional to 816,574.21, 1,224,782.12 and 247,960.24

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Solution

The fourth proportional to 816,574.21, 1,224,782.12 and 247,960.24 is: 371,916.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,574.21 : 1,224,782.12 = 247,960.24 : x
  2. Step 2: Convert to fraction form
    816,574.21/1,224,782.12 = 247,960.24/x
  3. Step 3: Cross multiply
    816,574.21x = 1,224,782.12 × 247,960.24
  4. Step 4: Simplify right side
    816,574.21x = 303,697,262,299.00
  5. Step 5: Solve for x
    x = 303,697,262,299.00/816,574.21
  6. Step 6: Final answer
    x = 371,916.30

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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.