Home / 817,391.81-1,226,264.19-248,817.37

Finding the Fourth Proportional to 817,391.81, 1,226,264.19 and 248,817.37

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Solution

The fourth proportional to 817,391.81, 1,226,264.19 and 248,817.37 is: 373,279.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,391.81 : 1,226,264.19 = 248,817.37 : x
  2. Step 2: Convert to fraction form
    817,391.81/1,226,264.19 = 248,817.37/x
  3. Step 3: Cross multiply
    817,391.81x = 1,226,264.19 × 248,817.37
  4. Step 4: Simplify right side
    817,391.81x = 305,115,830,680.98
  5. Step 5: Solve for x
    x = 305,115,830,680.98/817,391.81
  6. Step 6: Final answer
    x = 373,279.77

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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.