Home / 918,673.94-1,267,704.22-505,239.83

Finding the Fourth Proportional to 918,673.94, 1,267,704.22 and 505,239.83

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Solution

The fourth proportional to 918,673.94, 1,267,704.22 and 505,239.83 is: 697,194.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,673.94 : 1,267,704.22 = 505,239.83 : x
  2. Step 2: Convert to fraction form
    918,673.94/1,267,704.22 = 505,239.83/x
  3. Step 3: Cross multiply
    918,673.94x = 1,267,704.22 × 505,239.83
  4. Step 4: Simplify right side
    918,673.94x = 640,494,657,001.46
  5. Step 5: Solve for x
    x = 640,494,657,001.46/918,673.94
  6. Step 6: Final answer
    x = 697,194.76

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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.