Home / 948,205.92-1,422,012.48-316,972.32

Finding the Fourth Proportional to 948,205.92, 1,422,012.48 and 316,972.32

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Solution

The fourth proportional to 948,205.92, 1,422,012.48 and 316,972.32 is: 475,359.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,205.92 : 1,422,012.48 = 316,972.32 : x
  2. Step 2: Convert to fraction form
    948,205.92/1,422,012.48 = 316,972.32/x
  3. Step 3: Cross multiply
    948,205.92x = 1,422,012.48 × 316,972.32
  4. Step 4: Simplify right side
    948,205.92x = 450,738,594,854.55
  5. Step 5: Solve for x
    x = 450,738,594,854.55/948,205.92
  6. Step 6: Final answer
    x = 475,359.40

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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.