Home / 706,880.40-1,059,970.23-251,403.36

Finding the Fourth Proportional to 706,880.40, 1,059,970.23 and 251,403.36

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Solution

The fourth proportional to 706,880.40, 1,059,970.23 and 251,403.36 is: 376,980.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,880.40 : 1,059,970.23 = 251,403.36 : x
  2. Step 2: Convert to fraction form
    706,880.40/1,059,970.23 = 251,403.36/x
  3. Step 3: Cross multiply
    706,880.40x = 1,059,970.23 × 251,403.36
  4. Step 4: Simplify right side
    706,880.40x = 266,480,077,321.97
  5. Step 5: Solve for x
    x = 266,480,077,321.97/706,880.40
  6. Step 6: Final answer
    x = 376,980.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.