Home / 859,279.54-1,185,825.56-472,119.11

Finding the Fourth Proportional to 859,279.54, 1,185,825.56 and 472,119.11

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Solution

The fourth proportional to 859,279.54, 1,185,825.56 and 472,119.11 is: 651,535.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,279.54 : 1,185,825.56 = 472,119.11 : x
  2. Step 2: Convert to fraction form
    859,279.54/1,185,825.56 = 472,119.11/x
  3. Step 3: Cross multiply
    859,279.54x = 1,185,825.56 × 472,119.11
  4. Step 4: Simplify right side
    859,279.54x = 559,850,910,829.84
  5. Step 5: Solve for x
    x = 559,850,910,829.84/859,279.54
  6. Step 6: Final answer
    x = 651,535.25

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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.