Home / 749,852.83-1,034,792.58-405,687.88

Finding the Fourth Proportional to 749,852.83, 1,034,792.58 and 405,687.88

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Solution

The fourth proportional to 749,852.83, 1,034,792.58 and 405,687.88 is: 559,846.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,852.83 : 1,034,792.58 = 405,687.88 : x
  2. Step 2: Convert to fraction form
    749,852.83/1,034,792.58 = 405,687.88/x
  3. Step 3: Cross multiply
    749,852.83x = 1,034,792.58 × 405,687.88
  4. Step 4: Simplify right side
    749,852.83x = 419,802,808,019.93
  5. Step 5: Solve for x
    x = 419,802,808,019.93/749,852.83
  6. Step 6: Final answer
    x = 559,846.93

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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.