Home / 646,558.61-892,278.56-360,078.69

Finding the Fourth Proportional to 646,558.61, 892,278.56 and 360,078.69

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Solution

The fourth proportional to 646,558.61, 892,278.56 and 360,078.69 is: 496,924.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,558.61 : 892,278.56 = 360,078.69 : x
  2. Step 2: Convert to fraction form
    646,558.61/892,278.56 = 360,078.69/x
  3. Step 3: Cross multiply
    646,558.61x = 892,278.56 × 360,078.69
  4. Step 4: Simplify right side
    646,558.61x = 321,290,495,723.87
  5. Step 5: Solve for x
    x = 321,290,495,723.87/646,558.61
  6. Step 6: Final answer
    x = 496,924.01

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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.