Home / 907,919.20-1,361,878.80-460,021.60

Finding the Fourth Proportional to 907,919.20, 1,361,878.80 and 460,021.60

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Solution

The fourth proportional to 907,919.20, 1,361,878.80 and 460,021.60 is: 690,032.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,919.20 : 1,361,878.80 = 460,021.60 : x
  2. Step 2: Convert to fraction form
    907,919.20/1,361,878.80 = 460,021.60/x
  3. Step 3: Cross multiply
    907,919.20x = 1,361,878.80 × 460,021.60
  4. Step 4: Simplify right side
    907,919.20x = 626,493,664,582.08
  5. Step 5: Solve for x
    x = 626,493,664,582.08/907,919.20
  6. Step 6: Final answer
    x = 690,032.40

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Similar ratio
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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.