Home / 918,394.28-1,267,399.23-504,948.50

Finding the Fourth Proportional to 918,394.28, 1,267,399.23 and 504,948.50

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Solution

The fourth proportional to 918,394.28, 1,267,399.23 and 504,948.50 is: 696,837.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,394.28 : 1,267,399.23 = 504,948.50 : x
  2. Step 2: Convert to fraction form
    918,394.28/1,267,399.23 = 504,948.50/x
  3. Step 3: Cross multiply
    918,394.28x = 1,267,399.23 × 504,948.50
  4. Step 4: Simplify right side
    918,394.28x = 639,971,333,752.66
  5. Step 5: Solve for x
    x = 639,971,333,752.66/918,394.28
  6. Step 6: Final answer
    x = 696,837.24

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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.