Home / 684,925.65-1,027,395.42-305,865.71

Finding the Fourth Proportional to 684,925.65, 1,027,395.42 and 305,865.71

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Solution

The fourth proportional to 684,925.65, 1,027,395.42 and 305,865.71 is: 458,801.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,925.65 : 1,027,395.42 = 305,865.71 : x
  2. Step 2: Convert to fraction form
    684,925.65/1,027,395.42 = 305,865.71/x
  3. Step 3: Cross multiply
    684,925.65x = 1,027,395.42 × 305,865.71
  4. Step 4: Simplify right side
    684,925.65x = 314,245,024,452.07
  5. Step 5: Solve for x
    x = 314,245,024,452.07/684,925.65
  6. Step 6: Final answer
    x = 458,801.66

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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.