Home / 680,068.08-1,019,664.72-325,074.24

Finding the Fourth Proportional to 680,068.08, 1,019,664.72 and 325,074.24

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Solution

The fourth proportional to 680,068.08, 1,019,664.72 and 325,074.24 is: 487,402.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,068.08 : 1,019,664.72 = 325,074.24 : x
  2. Step 2: Convert to fraction form
    680,068.08/1,019,664.72 = 325,074.24/x
  3. Step 3: Cross multiply
    680,068.08x = 1,019,664.72 × 325,074.24
  4. Step 4: Simplify right side
    680,068.08x = 331,466,733,908.81
  5. Step 5: Solve for x
    x = 331,466,733,908.81/680,068.08
  6. Step 6: Final answer
    x = 487,402.28

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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.