Home / 467,650.24-645,205.08-286,172.80

Finding the Fourth Proportional to 467,650.24, 645,205.08 and 286,172.80

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Solution

The fourth proportional to 467,650.24, 645,205.08 and 286,172.80 is: 394,825.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,650.24 : 645,205.08 = 286,172.80 : x
  2. Step 2: Convert to fraction form
    467,650.24/645,205.08 = 286,172.80/x
  3. Step 3: Cross multiply
    467,650.24x = 645,205.08 × 286,172.80
  4. Step 4: Simplify right side
    467,650.24x = 184,640,144,317.82
  5. Step 5: Solve for x
    x = 184,640,144,317.82/467,650.24
  6. Step 6: Final answer
    x = 394,825.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.