Home / 948,011.80-1,422,014.46-316,924.60

Finding the Fourth Proportional to 948,011.80, 1,422,014.46 and 316,924.60

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Solution

The fourth proportional to 948,011.80, 1,422,014.46 and 316,924.60 is: 475,385.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,011.80 : 1,422,014.46 = 316,924.60 : x
  2. Step 2: Convert to fraction form
    948,011.80/1,422,014.46 = 316,924.60/x
  3. Step 3: Cross multiply
    948,011.80x = 1,422,014.46 × 316,924.60
  4. Step 4: Simplify right side
    948,011.80x = 450,671,363,929.72
  5. Step 5: Solve for x
    x = 450,671,363,929.72/948,011.80
  6. Step 6: Final answer
    x = 475,385.82

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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.