Home / 929,809.63-1,283,034.62-521,817.89

Finding the Fourth Proportional to 929,809.63, 1,283,034.62 and 521,817.89

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Solution

The fourth proportional to 929,809.63, 1,283,034.62 and 521,817.89 is: 720,051.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,809.63 : 1,283,034.62 = 521,817.89 : x
  2. Step 2: Convert to fraction form
    929,809.63/1,283,034.62 = 521,817.89/x
  3. Step 3: Cross multiply
    929,809.63x = 1,283,034.62 × 521,817.89
  4. Step 4: Simplify right side
    929,809.63x = 669,510,415,596.26
  5. Step 5: Solve for x
    x = 669,510,415,596.26/929,809.63
  6. Step 6: Final answer
    x = 720,051.07

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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.