Home / 537,987.98-742,425.84-308,554.28

Finding the Fourth Proportional to 537,987.98, 742,425.84 and 308,554.28

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Solution

The fourth proportional to 537,987.98, 742,425.84 and 308,554.28 is: 425,806.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,987.98 : 742,425.84 = 308,554.28 : x
  2. Step 2: Convert to fraction form
    537,987.98/742,425.84 = 308,554.28/x
  3. Step 3: Cross multiply
    537,987.98x = 742,425.84 × 308,554.28
  4. Step 4: Simplify right side
    537,987.98x = 229,078,670,514.60
  5. Step 5: Solve for x
    x = 229,078,670,514.60/537,987.98
  6. Step 6: Final answer
    x = 425,806.30

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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.