Home / 684,128.46-944,051.98-393,693.02

Finding the Fourth Proportional to 684,128.46, 944,051.98 and 393,693.02

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Solution

The fourth proportional to 684,128.46, 944,051.98 and 393,693.02 is: 543,270.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,128.46 : 944,051.98 = 393,693.02 : x
  2. Step 2: Convert to fraction form
    684,128.46/944,051.98 = 393,693.02/x
  3. Step 3: Cross multiply
    684,128.46x = 944,051.98 × 393,693.02
  4. Step 4: Simplify right side
    684,128.46x = 371,666,675,043.18
  5. Step 5: Solve for x
    x = 371,666,675,043.18/684,128.46
  6. Step 6: Final answer
    x = 543,270.30

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.