Home / 948,030.76-1,422,121.74-316,947.88

Finding the Fourth Proportional to 948,030.76, 1,422,121.74 and 316,947.88

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Solution

The fourth proportional to 948,030.76, 1,422,121.74 and 316,947.88 is: 475,447.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,030.76 : 1,422,121.74 = 316,947.88 : x
  2. Step 2: Convert to fraction form
    948,030.76/1,422,121.74 = 316,947.88/x
  3. Step 3: Cross multiply
    948,030.76x = 1,422,121.74 × 316,947.88
  4. Step 4: Simplify right side
    948,030.76x = 450,738,470,594.91
  5. Step 5: Solve for x
    x = 450,738,470,594.91/948,030.76
  6. Step 6: Final answer
    x = 475,447.09

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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.