Home / 938,664.25-1,407,530.08-298,884.47

Finding the Fourth Proportional to 938,664.25, 1,407,530.08 and 298,884.47

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Solution

The fourth proportional to 938,664.25, 1,407,530.08 and 298,884.47 is: 448,178.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,664.25 : 1,407,530.08 = 298,884.47 : x
  2. Step 2: Convert to fraction form
    938,664.25/1,407,530.08 = 298,884.47/x
  3. Step 3: Cross multiply
    938,664.25x = 1,407,530.08 × 298,884.47
  4. Step 4: Simplify right side
    938,664.25x = 420,688,875,305.81
  5. Step 5: Solve for x
    x = 420,688,875,305.81/938,664.25
  6. Step 6: Final answer
    x = 448,178.22

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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.