Home / 693,071.28-1,038,615.48-313,048.44

Finding the Fourth Proportional to 693,071.28, 1,038,615.48 and 313,048.44

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Solution

The fourth proportional to 693,071.28, 1,038,615.48 and 313,048.44 is: 469,124.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,071.28 : 1,038,615.48 = 313,048.44 : x
  2. Step 2: Convert to fraction form
    693,071.28/1,038,615.48 = 313,048.44/x
  3. Step 3: Cross multiply
    693,071.28x = 1,038,615.48 × 313,048.44
  4. Step 4: Simplify right side
    693,071.28x = 325,136,955,773.85
  5. Step 5: Solve for x
    x = 325,136,955,773.85/693,071.28
  6. Step 6: Final answer
    x = 469,124.84

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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.