Home / 740,307.98-1,110,289.44-207,880.40

Finding the Fourth Proportional to 740,307.98, 1,110,289.44 and 207,880.40

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Solution

The fourth proportional to 740,307.98, 1,110,289.44 and 207,880.40 is: 311,772.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,307.98 : 1,110,289.44 = 207,880.40 : x
  2. Step 2: Convert to fraction form
    740,307.98/1,110,289.44 = 207,880.40/x
  3. Step 3: Cross multiply
    740,307.98x = 1,110,289.44 × 207,880.40
  4. Step 4: Simplify right side
    740,307.98x = 230,807,412,902.98
  5. Step 5: Solve for x
    x = 230,807,412,902.98/740,307.98
  6. Step 6: Final answer
    x = 311,772.15

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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.