Home / 809,360.10-1,214,477.55-360,150.30

Finding the Fourth Proportional to 809,360.10, 1,214,477.55 and 360,150.30

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Solution

The fourth proportional to 809,360.10, 1,214,477.55 and 360,150.30 is: 540,420.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,360.10 : 1,214,477.55 = 360,150.30 : x
  2. Step 2: Convert to fraction form
    809,360.10/1,214,477.55 = 360,150.30/x
  3. Step 3: Cross multiply
    809,360.10x = 1,214,477.55 × 360,150.30
  4. Step 4: Simplify right side
    809,360.10x = 437,394,453,975.77
  5. Step 5: Solve for x
    x = 437,394,453,975.77/809,360.10
  6. Step 6: Final answer
    x = 540,420.08

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Double scale
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Similar ratio
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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.