Home / 446,677.20-670,015.80-417,152.70

Finding the Fourth Proportional to 446,677.20, 670,015.80 and 417,152.70

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Solution

The fourth proportional to 446,677.20, 670,015.80 and 417,152.70 is: 625,729.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,677.20 : 670,015.80 = 417,152.70 : x
  2. Step 2: Convert to fraction form
    446,677.20/670,015.80 = 417,152.70/x
  3. Step 3: Cross multiply
    446,677.20x = 670,015.80 × 417,152.70
  4. Step 4: Simplify right side
    446,677.20x = 279,498,900,012.66
  5. Step 5: Solve for x
    x = 279,498,900,012.66/446,677.20
  6. Step 6: Final answer
    x = 625,729.05

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Similar ratio
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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.