Home / 862,932.81-1,190,583.38-500,284.28

Finding the Fourth Proportional to 862,932.81, 1,190,583.38 and 500,284.28

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Solution

The fourth proportional to 862,932.81, 1,190,583.38 and 500,284.28 is: 690,239.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,932.81 : 1,190,583.38 = 500,284.28 : x
  2. Step 2: Convert to fraction form
    862,932.81/1,190,583.38 = 500,284.28/x
  3. Step 3: Cross multiply
    862,932.81x = 1,190,583.38 × 500,284.28
  4. Step 4: Simplify right side
    862,932.81x = 595,630,150,456.34
  5. Step 5: Solve for x
    x = 595,630,150,456.34/862,932.81
  6. Step 6: Final answer
    x = 690,239.32

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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.