Home / 690,924.09-953,450.98-384,984.66

Finding the Fourth Proportional to 690,924.09, 953,450.98 and 384,984.66

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Solution

The fourth proportional to 690,924.09, 953,450.98 and 384,984.66 is: 531,265.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,924.09 : 953,450.98 = 384,984.66 : x
  2. Step 2: Convert to fraction form
    690,924.09/953,450.98 = 384,984.66/x
  3. Step 3: Cross multiply
    690,924.09x = 953,450.98 × 384,984.66
  4. Step 4: Simplify right side
    690,924.09x = 367,064,001,361.97
  5. Step 5: Solve for x
    x = 367,064,001,361.97/690,924.09
  6. Step 6: Final answer
    x = 531,265.31

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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.