Home / 685,009.16-1,026,391.72-364,821.10

Finding the Fourth Proportional to 685,009.16, 1,026,391.72 and 364,821.10

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Solution

The fourth proportional to 685,009.16, 1,026,391.72 and 364,821.10 is: 546,634.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,009.16 : 1,026,391.72 = 364,821.10 : x
  2. Step 2: Convert to fraction form
    685,009.16/1,026,391.72 = 364,821.10/x
  3. Step 3: Cross multiply
    685,009.16x = 1,026,391.72 × 364,821.10
  4. Step 4: Simplify right side
    685,009.16x = 374,449,356,321.29
  5. Step 5: Solve for x
    x = 374,449,356,321.29/685,009.16
  6. Step 6: Final answer
    x = 546,634.09

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1.5x scale

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.