Home / 837,321.37-1,155,492.65-455,339.95

Finding the Fourth Proportional to 837,321.37, 1,155,492.65 and 455,339.95

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Solution

The fourth proportional to 837,321.37, 1,155,492.65 and 455,339.95 is: 628,363.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,321.37 : 1,155,492.65 = 455,339.95 : x
  2. Step 2: Convert to fraction form
    837,321.37/1,155,492.65 = 455,339.95/x
  3. Step 3: Cross multiply
    837,321.37x = 1,155,492.65 × 455,339.95
  4. Step 4: Simplify right side
    837,321.37x = 526,141,965,476.37
  5. Step 5: Solve for x
    x = 526,141,965,476.37/837,321.37
  6. Step 6: Final answer
    x = 628,363.24

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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.