Home / 740,888.70-1,111,851.45-320,466.30

Finding the Fourth Proportional to 740,888.70, 1,111,851.45 and 320,466.30

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Solution

The fourth proportional to 740,888.70, 1,111,851.45 and 320,466.30 is: 480,923.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,888.70 : 1,111,851.45 = 320,466.30 : x
  2. Step 2: Convert to fraction form
    740,888.70/1,111,851.45 = 320,466.30/x
  3. Step 3: Cross multiply
    740,888.70x = 1,111,851.45 × 320,466.30
  4. Step 4: Simplify right side
    740,888.70x = 356,310,920,331.14
  5. Step 5: Solve for x
    x = 356,310,920,331.14/740,888.70
  6. Step 6: Final answer
    x = 480,923.68

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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.