Home / 862,468.20-1,190,219.22-495,004.32

Finding the Fourth Proportional to 862,468.20, 1,190,219.22 and 495,004.32

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Solution

The fourth proportional to 862,468.20, 1,190,219.22 and 495,004.32 is: 683,113.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,468.20 : 1,190,219.22 = 495,004.32 : x
  2. Step 2: Convert to fraction form
    862,468.20/1,190,219.22 = 495,004.32/x
  3. Step 3: Cross multiply
    862,468.20x = 1,190,219.22 × 495,004.32
  4. Step 4: Simplify right side
    862,468.20x = 589,163,655,647.03
  5. Step 5: Solve for x
    x = 589,163,655,647.03/862,468.20
  6. Step 6: Final answer
    x = 683,113.48

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.