Home / 816,264.37-1,224,749.27-310,977.15

Finding the Fourth Proportional to 816,264.37, 1,224,749.27 and 310,977.15

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Solution

The fourth proportional to 816,264.37, 1,224,749.27 and 310,977.15 is: 466,600.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,264.37 : 1,224,749.27 = 310,977.15 : x
  2. Step 2: Convert to fraction form
    816,264.37/1,224,749.27 = 310,977.15/x
  3. Step 3: Cross multiply
    816,264.37x = 1,224,749.27 × 310,977.15
  4. Step 4: Simplify right side
    816,264.37x = 380,869,037,449.18
  5. Step 5: Solve for x
    x = 380,869,037,449.18/816,264.37
  6. Step 6: Final answer
    x = 466,600.10

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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.