Home / 809,051.40-1,212,420.60-594,133.20

Finding the Fourth Proportional to 809,051.40, 1,212,420.60 and 594,133.20

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Solution

The fourth proportional to 809,051.40, 1,212,420.60 and 594,133.20 is: 890,350.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,051.40 : 1,212,420.60 = 594,133.20 : x
  2. Step 2: Convert to fraction form
    809,051.40/1,212,420.60 = 594,133.20/x
  3. Step 3: Cross multiply
    809,051.40x = 1,212,420.60 × 594,133.20
  4. Step 4: Simplify right side
    809,051.40x = 720,339,330,823.92
  5. Step 5: Solve for x
    x = 720,339,330,823.92/809,051.40
  6. Step 6: Final answer
    x = 890,350.52

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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.