Home / 874,100.34-1,206,332.73-492,201.54

Finding the Fourth Proportional to 874,100.34, 1,206,332.73 and 492,201.54

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Solution

The fourth proportional to 874,100.34, 1,206,332.73 and 492,201.54 is: 679,279.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,100.34 : 1,206,332.73 = 492,201.54 : x
  2. Step 2: Convert to fraction form
    874,100.34/1,206,332.73 = 492,201.54/x
  3. Step 3: Cross multiply
    874,100.34x = 1,206,332.73 × 492,201.54
  4. Step 4: Simplify right side
    874,100.34x = 593,758,827,458.40
  5. Step 5: Solve for x
    x = 593,758,827,458.40/874,100.34
  6. Step 6: Final answer
    x = 679,279.94

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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.