Home / 646,530.33-892,147.98-360,077.07

Finding the Fourth Proportional to 646,530.33, 892,147.98 and 360,077.07

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Solution

The fourth proportional to 646,530.33, 892,147.98 and 360,077.07 is: 496,870.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,530.33 : 892,147.98 = 360,077.07 : x
  2. Step 2: Convert to fraction form
    646,530.33/892,147.98 = 360,077.07/x
  3. Step 3: Cross multiply
    646,530.33x = 892,147.98 × 360,077.07
  4. Step 4: Simplify right side
    646,530.33x = 321,242,030,644.82
  5. Step 5: Solve for x
    x = 321,242,030,644.82/646,530.33
  6. Step 6: Final answer
    x = 496,870.78

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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.