Home / 972,508.78-1,458,879.66-298,501.81

Finding the Fourth Proportional to 972,508.78, 1,458,879.66 and 298,501.81

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Solution

The fourth proportional to 972,508.78, 1,458,879.66 and 298,501.81 is: 447,788.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,508.78 : 1,458,879.66 = 298,501.81 : x
  2. Step 2: Convert to fraction form
    972,508.78/1,458,879.66 = 298,501.81/x
  3. Step 3: Cross multiply
    972,508.78x = 1,458,879.66 × 298,501.81
  4. Step 4: Simplify right side
    972,508.78x = 435,478,215,434.99
  5. Step 5: Solve for x
    x = 435,478,215,434.99/972,508.78
  6. Step 6: Final answer
    x = 447,788.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.