Home / 938,054.25-1,407,066.48-298,348.76

Finding the Fourth Proportional to 938,054.25, 1,407,066.48 and 298,348.76

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Solution

The fourth proportional to 938,054.25, 1,407,066.48 and 298,348.76 is: 447,518.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,054.25 : 1,407,066.48 = 298,348.76 : x
  2. Step 2: Convert to fraction form
    938,054.25/1,407,066.48 = 298,348.76/x
  3. Step 3: Cross multiply
    938,054.25x = 1,407,066.48 × 298,348.76
  4. Step 4: Simplify right side
    938,054.25x = 419,796,539,545.57
  5. Step 5: Solve for x
    x = 419,796,539,545.57/938,054.25
  6. Step 6: Final answer
    x = 447,518.40

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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.