Home / 549,555.18-823,114.92-422,258.46

Finding the Fourth Proportional to 549,555.18, 823,114.92 and 422,258.46

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Solution

The fourth proportional to 549,555.18, 823,114.92 and 422,258.46 is: 632,451.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,555.18 : 823,114.92 = 422,258.46 : x
  2. Step 2: Convert to fraction form
    549,555.18/823,114.92 = 422,258.46/x
  3. Step 3: Cross multiply
    549,555.18x = 823,114.92 × 422,258.46
  4. Step 4: Simplify right side
    549,555.18x = 347,567,238,522.22
  5. Step 5: Solve for x
    x = 347,567,238,522.22/549,555.18
  6. Step 6: Final answer
    x = 632,451.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.