Home / 867,662.18-1,301,188.46-260,269.40

Finding the Fourth Proportional to 867,662.18, 1,301,188.46 and 260,269.40

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Solution

The fourth proportional to 867,662.18, 1,301,188.46 and 260,269.40 is: 390,312.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,662.18 : 1,301,188.46 = 260,269.40 : x
  2. Step 2: Convert to fraction form
    867,662.18/1,301,188.46 = 260,269.40/x
  3. Step 3: Cross multiply
    867,662.18x = 1,301,188.46 × 260,269.40
  4. Step 4: Simplify right side
    867,662.18x = 338,659,541,722.75
  5. Step 5: Solve for x
    x = 338,659,541,722.75/867,662.18
  6. Step 6: Final answer
    x = 390,312.67

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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.