Home / 882,698.36-1,218,087.87-500,716.94

Finding the Fourth Proportional to 882,698.36, 1,218,087.87 and 500,716.94

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Solution

The fourth proportional to 882,698.36, 1,218,087.87 and 500,716.94 is: 690,969.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,698.36 : 1,218,087.87 = 500,716.94 : x
  2. Step 2: Convert to fraction form
    882,698.36/1,218,087.87 = 500,716.94/x
  3. Step 3: Cross multiply
    882,698.36x = 1,218,087.87 × 500,716.94
  4. Step 4: Simplify right side
    882,698.36x = 609,917,230,917.52
  5. Step 5: Solve for x
    x = 609,917,230,917.52/882,698.36
  6. Step 6: Final answer
    x = 690,969.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.