Home / 938,707.45-1,407,595.35-298,927.81

Finding the Fourth Proportional to 938,707.45, 1,407,595.35 and 298,927.81

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Solution

The fourth proportional to 938,707.45, 1,407,595.35 and 298,927.81 is: 448,243.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,707.45 : 1,407,595.35 = 298,927.81 : x
  2. Step 2: Convert to fraction form
    938,707.45/1,407,595.35 = 298,927.81/x
  3. Step 3: Cross multiply
    938,707.45x = 1,407,595.35 × 298,927.81
  4. Step 4: Simplify right side
    938,707.45x = 420,769,397,101.18
  5. Step 5: Solve for x
    x = 420,769,397,101.18/938,707.45
  6. Step 6: Final answer
    x = 448,243.38

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1.5x scale

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.