Home / 761,708.19-1,142,566.37-229,225.60

Finding the Fourth Proportional to 761,708.19, 1,142,566.37 and 229,225.60

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Solution

The fourth proportional to 761,708.19, 1,142,566.37 and 229,225.60 is: 343,839.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,708.19 : 1,142,566.37 = 229,225.60 : x
  2. Step 2: Convert to fraction form
    761,708.19/1,142,566.37 = 229,225.60/x
  3. Step 3: Cross multiply
    761,708.19x = 1,142,566.37 × 229,225.60
  4. Step 4: Simplify right side
    761,708.19x = 261,905,461,703.07
  5. Step 5: Solve for x
    x = 261,905,461,703.07/761,708.19
  6. Step 6: Final answer
    x = 343,839.63

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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.