Home / 872,223.73-1,203,682.95-479,772.20

Finding the Fourth Proportional to 872,223.73, 1,203,682.95 and 479,772.20

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Solution

The fourth proportional to 872,223.73, 1,203,682.95 and 479,772.20 is: 662,093.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,223.73 : 1,203,682.95 = 479,772.20 : x
  2. Step 2: Convert to fraction form
    872,223.73/1,203,682.95 = 479,772.20/x
  3. Step 3: Cross multiply
    872,223.73x = 1,203,682.95 × 479,772.20
  4. Step 4: Simplify right side
    872,223.73x = 577,493,617,023.99
  5. Step 5: Solve for x
    x = 577,493,617,023.99/872,223.73
  6. Step 6: Final answer
    x = 662,093.45

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Double scale
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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.