Home / 685,523.95-1,027,607.95-325,060.72

Finding the Fourth Proportional to 685,523.95, 1,027,607.95 and 325,060.72

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Solution

The fourth proportional to 685,523.95, 1,027,607.95 and 325,060.72 is: 487,269.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,523.95 : 1,027,607.95 = 325,060.72 : x
  2. Step 2: Convert to fraction form
    685,523.95/1,027,607.95 = 325,060.72/x
  3. Step 3: Cross multiply
    685,523.95x = 1,027,607.95 × 325,060.72
  4. Step 4: Simplify right side
    685,523.95x = 334,034,980,104.72
  5. Step 5: Solve for x
    x = 334,034,980,104.72/685,523.95
  6. Step 6: Final answer
    x = 487,269.60

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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.