Home / 918,403.69-1,267,412.27-504,957.95

Finding the Fourth Proportional to 918,403.69, 1,267,412.27 and 504,957.95

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Solution

The fourth proportional to 918,403.69, 1,267,412.27 and 504,957.95 is: 696,850.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,403.69 : 1,267,412.27 = 504,957.95 : x
  2. Step 2: Convert to fraction form
    918,403.69/1,267,412.27 = 504,957.95/x
  3. Step 3: Cross multiply
    918,403.69x = 1,267,412.27 × 504,957.95
  4. Step 4: Simplify right side
    918,403.69x = 639,989,897,554.99
  5. Step 5: Solve for x
    x = 639,989,897,554.99/918,403.69
  6. Step 6: Final answer
    x = 696,850.31

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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.