Home / 646,583.09-892,284.67-360,103.18

Finding the Fourth Proportional to 646,583.09, 892,284.67 and 360,103.18

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Solution

The fourth proportional to 646,583.09, 892,284.67 and 360,103.18 is: 496,942.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,583.09 : 892,284.67 = 360,103.18 : x
  2. Step 2: Convert to fraction form
    646,583.09/892,284.67 = 360,103.18/x
  3. Step 3: Cross multiply
    646,583.09x = 892,284.67 × 360,103.18
  4. Step 4: Simplify right side
    646,583.09x = 321,314,547,132.25
  5. Step 5: Solve for x
    x = 321,314,547,132.25/646,583.09
  6. Step 6: Final answer
    x = 496,942.39

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Double scale
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1.5x scale

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.