Home / 646,775.57-892,550.25-375,001.33

Finding the Fourth Proportional to 646,775.57, 892,550.25 and 375,001.33

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Solution

The fourth proportional to 646,775.57, 892,550.25 and 375,001.33 is: 517,501.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,775.57 : 892,550.25 = 375,001.33 : x
  2. Step 2: Convert to fraction form
    646,775.57/892,550.25 = 375,001.33/x
  3. Step 3: Cross multiply
    646,775.57x = 892,550.25 × 375,001.33
  4. Step 4: Simplify right side
    646,775.57x = 334,707,530,841.83
  5. Step 5: Solve for x
    x = 334,707,530,841.83/646,775.57
  6. Step 6: Final answer
    x = 517,501.81

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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.