Home / 850,442.76-1,173,610.76-468,477.54

Finding the Fourth Proportional to 850,442.76, 1,173,610.76 and 468,477.54

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Solution

The fourth proportional to 850,442.76, 1,173,610.76 and 468,477.54 is: 646,498.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,442.76 : 1,173,610.76 = 468,477.54 : x
  2. Step 2: Convert to fraction form
    850,442.76/1,173,610.76 = 468,477.54/x
  3. Step 3: Cross multiply
    850,442.76x = 1,173,610.76 × 468,477.54
  4. Step 4: Simplify right side
    850,442.76x = 549,810,279,419.94
  5. Step 5: Solve for x
    x = 549,810,279,419.94/850,442.76
  6. Step 6: Final answer
    x = 646,498.87

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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.