Home / 677,975.58-1,016,962.38-278,334.81

Finding the Fourth Proportional to 677,975.58, 1,016,962.38 and 278,334.81

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Solution

The fourth proportional to 677,975.58, 1,016,962.38 and 278,334.81 is: 417,501.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,975.58 : 1,016,962.38 = 278,334.81 : x
  2. Step 2: Convert to fraction form
    677,975.58/1,016,962.38 = 278,334.81/x
  3. Step 3: Cross multiply
    677,975.58x = 1,016,962.38 × 278,334.81
  4. Step 4: Simplify right side
    677,975.58x = 283,056,030,814.45
  5. Step 5: Solve for x
    x = 283,056,030,814.45/677,975.58
  6. Step 6: Final answer
    x = 417,501.81

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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.