Home / 817,389.81-1,226,261.19-248,815.37

Finding the Fourth Proportional to 817,389.81, 1,226,261.19 and 248,815.37

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Solution

The fourth proportional to 817,389.81, 1,226,261.19 and 248,815.37 is: 373,276.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,389.81 : 1,226,261.19 = 248,815.37 : x
  2. Step 2: Convert to fraction form
    817,389.81/1,226,261.19 = 248,815.37/x
  3. Step 3: Cross multiply
    817,389.81x = 1,226,261.19 × 248,815.37
  4. Step 4: Simplify right side
    817,389.81x = 305,112,625,575.18
  5. Step 5: Solve for x
    x = 305,112,625,575.18/817,389.81
  6. Step 6: Final answer
    x = 373,276.77

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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.