Home / 929,809.13-1,283,033.93-521,817.39

Finding the Fourth Proportional to 929,809.13, 1,283,033.93 and 521,817.39

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Solution

The fourth proportional to 929,809.13, 1,283,033.93 and 521,817.39 is: 720,050.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,809.13 : 1,283,033.93 = 521,817.39 : x
  2. Step 2: Convert to fraction form
    929,809.13/1,283,033.93 = 521,817.39/x
  3. Step 3: Cross multiply
    929,809.13x = 1,283,033.93 × 521,817.39
  4. Step 4: Simplify right side
    929,809.13x = 669,509,414,024.96
  5. Step 5: Solve for x
    x = 669,509,414,024.96/929,809.13
  6. Step 6: Final answer
    x = 720,050.38

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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.