Home / 770,209.58-1,154,949.78-450,453.98

Finding the Fourth Proportional to 770,209.58, 1,154,949.78 and 450,453.98

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Solution

The fourth proportional to 770,209.58, 1,154,949.78 and 450,453.98 is: 675,467.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,209.58 : 1,154,949.78 = 450,453.98 : x
  2. Step 2: Convert to fraction form
    770,209.58/1,154,949.78 = 450,453.98/x
  3. Step 3: Cross multiply
    770,209.58x = 1,154,949.78 × 450,453.98
  4. Step 4: Simplify right side
    770,209.58x = 520,251,725,101.12
  5. Step 5: Solve for x
    x = 520,251,725,101.12/770,209.58
  6. Step 6: Final answer
    x = 675,467.74

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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.