Home / 907,764.60-1,361,646.90-276,709.80

Finding the Fourth Proportional to 907,764.60, 1,361,646.90 and 276,709.80

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Solution

The fourth proportional to 907,764.60, 1,361,646.90 and 276,709.80 is: 415,064.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,764.60 : 1,361,646.90 = 276,709.80 : x
  2. Step 2: Convert to fraction form
    907,764.60/1,361,646.90 = 276,709.80/x
  3. Step 3: Cross multiply
    907,764.60x = 1,361,646.90 × 276,709.80
  4. Step 4: Simplify right side
    907,764.60x = 376,781,041,369.62
  5. Step 5: Solve for x
    x = 376,781,041,369.62/907,764.60
  6. Step 6: Final answer
    x = 415,064.70

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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.