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Finding the Fourth Proportional to 632,485.20, 949,246.20 and 611,749.20

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Solution

The fourth proportional to 632,485.20, 949,246.20 and 611,749.20 is: 918,125.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,485.20 : 949,246.20 = 611,749.20 : x
  2. Step 2: Convert to fraction form
    632,485.20/949,246.20 = 611,749.20/x
  3. Step 3: Cross multiply
    632,485.20x = 949,246.20 × 611,749.20
  4. Step 4: Simplify right side
    632,485.20x = 580,700,603,453.04
  5. Step 5: Solve for x
    x = 580,700,603,453.04/632,485.20
  6. Step 6: Final answer
    x = 918,125.20

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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.