Home / 947,880.54-1,308,083.87-539,976.35

Finding the Fourth Proportional to 947,880.54, 1,308,083.87 and 539,976.35

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Solution

The fourth proportional to 947,880.54, 1,308,083.87 and 539,976.35 is: 745,172.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,880.54 : 1,308,083.87 = 539,976.35 : x
  2. Step 2: Convert to fraction form
    947,880.54/1,308,083.87 = 539,976.35/x
  3. Step 3: Cross multiply
    947,880.54x = 1,308,083.87 × 539,976.35
  4. Step 4: Simplify right side
    947,880.54x = 706,334,344,376.17
  5. Step 5: Solve for x
    x = 706,334,344,376.17/947,880.54
  6. Step 6: Final answer
    x = 745,172.32

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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.