Home / 537,968.82-742,147.74-347,043.72

Finding the Fourth Proportional to 537,968.82, 742,147.74 and 347,043.72

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Solution

The fourth proportional to 537,968.82, 742,147.74 and 347,043.72 is: 478,759.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,968.82 : 742,147.74 = 347,043.72 : x
  2. Step 2: Convert to fraction form
    537,968.82/742,147.74 = 347,043.72/x
  3. Step 3: Cross multiply
    537,968.82x = 742,147.74 × 347,043.72
  4. Step 4: Simplify right side
    537,968.82x = 257,557,712,479.19
  5. Step 5: Solve for x
    x = 257,557,712,479.19/537,968.82
  6. Step 6: Final answer
    x = 478,759.55

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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.