Home / 918,172.26-1,267,047.39-504,710.43

Finding the Fourth Proportional to 918,172.26, 1,267,047.39 and 504,710.43

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Solution

The fourth proportional to 918,172.26, 1,267,047.39 and 504,710.43 is: 696,483.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,172.26 : 1,267,047.39 = 504,710.43 : x
  2. Step 2: Convert to fraction form
    918,172.26/1,267,047.39 = 504,710.43/x
  3. Step 3: Cross multiply
    918,172.26x = 1,267,047.39 × 504,710.43
  4. Step 4: Simplify right side
    918,172.26x = 639,492,030,178.51
  5. Step 5: Solve for x
    x = 639,492,030,178.51/918,172.26
  6. Step 6: Final answer
    x = 696,483.72

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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.