Home / 646,569.76-892,232.40-360,084.64

Finding the Fourth Proportional to 646,569.76, 892,232.40 and 360,084.64

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Solution

The fourth proportional to 646,569.76, 892,232.40 and 360,084.64 is: 496,897.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,569.76 : 892,232.40 = 360,084.64 : x
  2. Step 2: Convert to fraction form
    646,569.76/892,232.40 = 360,084.64/x
  3. Step 3: Cross multiply
    646,569.76x = 892,232.40 × 360,084.64
  4. Step 4: Simplify right side
    646,569.76x = 321,279,182,550.34
  5. Step 5: Solve for x
    x = 321,279,182,550.34/646,569.76
  6. Step 6: Final answer
    x = 496,897.94

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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.