Home / 850,083.50-1,173,115.24-468,109.38

Finding the Fourth Proportional to 850,083.50, 1,173,115.24 and 468,109.38

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Solution

The fourth proportional to 850,083.50, 1,173,115.24 and 468,109.38 is: 645,990.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,083.50 : 1,173,115.24 = 468,109.38 : x
  2. Step 2: Convert to fraction form
    850,083.50/1,173,115.24 = 468,109.38/x
  3. Step 3: Cross multiply
    850,083.50x = 1,173,115.24 × 468,109.38
  4. Step 4: Simplify right side
    850,083.50x = 549,146,247,664.95
  5. Step 5: Solve for x
    x = 549,146,247,664.95/850,083.50
  6. Step 6: Final answer
    x = 645,990.95

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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.