Home / 684,369.41-944,435.93-378,466.50

Finding the Fourth Proportional to 684,369.41, 944,435.93 and 378,466.50

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Solution

The fourth proportional to 684,369.41, 944,435.93 and 378,466.50 is: 522,287.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,369.41 : 944,435.93 = 378,466.50 : x
  2. Step 2: Convert to fraction form
    684,369.41/944,435.93 = 378,466.50/x
  3. Step 3: Cross multiply
    684,369.41x = 944,435.93 × 378,466.50
  4. Step 4: Simplify right side
    684,369.41x = 357,437,363,468.06
  5. Step 5: Solve for x
    x = 357,437,363,468.06/684,369.41
  6. Step 6: Final answer
    x = 522,287.17

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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.