Home / 959,716.98-1,439,571.37-390,971.23

Finding the Fourth Proportional to 959,716.98, 1,439,571.37 and 390,971.23

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Solution

The fourth proportional to 959,716.98, 1,439,571.37 and 390,971.23 is: 586,455.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,716.98 : 1,439,571.37 = 390,971.23 : x
  2. Step 2: Convert to fraction form
    959,716.98/1,439,571.37 = 390,971.23/x
  3. Step 3: Cross multiply
    959,716.98x = 1,439,571.37 × 390,971.23
  4. Step 4: Simplify right side
    959,716.98x = 562,830,989,201.69
  5. Step 5: Solve for x
    x = 562,830,989,201.69/959,716.98
  6. Step 6: Final answer
    x = 586,455.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.