Home / 666,280.06-919,466.49-360,356.47

Finding the Fourth Proportional to 666,280.06, 919,466.49 and 360,356.47

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Solution

The fourth proportional to 666,280.06, 919,466.49 and 360,356.47 is: 497,291.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,280.06 : 919,466.49 = 360,356.47 : x
  2. Step 2: Convert to fraction form
    666,280.06/919,466.49 = 360,356.47/x
  3. Step 3: Cross multiply
    666,280.06x = 919,466.49 × 360,356.47
  4. Step 4: Simplify right side
    666,280.06x = 331,335,698,619.69
  5. Step 5: Solve for x
    x = 331,335,698,619.69/666,280.06
  6. Step 6: Final answer
    x = 497,291.93

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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.