Home / 906,424.74-1,360,236.05-426,789.72

Finding the Fourth Proportional to 906,424.74, 1,360,236.05 and 426,789.72

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Solution

The fourth proportional to 906,424.74, 1,360,236.05 and 426,789.72 is: 640,466.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,424.74 : 1,360,236.05 = 426,789.72 : x
  2. Step 2: Convert to fraction form
    906,424.74/1,360,236.05 = 426,789.72/x
  3. Step 3: Cross multiply
    906,424.74x = 1,360,236.05 × 426,789.72
  4. Step 4: Simplify right side
    906,424.74x = 580,534,763,980.38
  5. Step 5: Solve for x
    x = 580,534,763,980.38/906,424.74
  6. Step 6: Final answer
    x = 640,466.59

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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.