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Finding the Fourth Proportional to 868,219.60, 1,301,292.60 and 362,779.60

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Solution

The fourth proportional to 868,219.60, 1,301,292.60 and 362,779.60 is: 543,736.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,219.60 : 1,301,292.60 = 362,779.60 : x
  2. Step 2: Convert to fraction form
    868,219.60/1,301,292.60 = 362,779.60/x
  3. Step 3: Cross multiply
    868,219.60x = 1,301,292.60 × 362,779.60
  4. Step 4: Simplify right side
    868,219.60x = 472,082,408,910.96
  5. Step 5: Solve for x
    x = 472,082,408,910.96/868,219.60
  6. Step 6: Final answer
    x = 543,736.18

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1.5x scale

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.