Home / 909,346.94-1,254,929.10-495,906.36

Finding the Fourth Proportional to 909,346.94, 1,254,929.10 and 495,906.36

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Solution

The fourth proportional to 909,346.94, 1,254,929.10 and 495,906.36 is: 684,367.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,346.94 : 1,254,929.10 = 495,906.36 : x
  2. Step 2: Convert to fraction form
    909,346.94/1,254,929.10 = 495,906.36/x
  3. Step 3: Cross multiply
    909,346.94x = 1,254,929.10 × 495,906.36
  4. Step 4: Simplify right side
    909,346.94x = 622,327,322,039.08
  5. Step 5: Solve for x
    x = 622,327,322,039.08/909,346.94
  6. Step 6: Final answer
    x = 684,367.31

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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.