Home / 864,515.28-1,296,964.62-332,036.40

Finding the Fourth Proportional to 864,515.28, 1,296,964.62 and 332,036.40

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Solution

The fourth proportional to 864,515.28, 1,296,964.62 and 332,036.40 is: 498,128.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,515.28 : 1,296,964.62 = 332,036.40 : x
  2. Step 2: Convert to fraction form
    864,515.28/1,296,964.62 = 332,036.40/x
  3. Step 3: Cross multiply
    864,515.28x = 1,296,964.62 × 332,036.40
  4. Step 4: Simplify right side
    864,515.28x = 430,639,463,352.17
  5. Step 5: Solve for x
    x = 430,639,463,352.17/864,515.28
  6. Step 6: Final answer
    x = 498,128.23

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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.