Home / 779,972.56-1,076,295.33-448,839.22

Finding the Fourth Proportional to 779,972.56, 1,076,295.33 and 448,839.22

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Solution

The fourth proportional to 779,972.56, 1,076,295.33 and 448,839.22 is: 619,359.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,972.56 : 1,076,295.33 = 448,839.22 : x
  2. Step 2: Convert to fraction form
    779,972.56/1,076,295.33 = 448,839.22/x
  3. Step 3: Cross multiply
    779,972.56x = 1,076,295.33 × 448,839.22
  4. Step 4: Simplify right side
    779,972.56x = 483,083,556,406.84
  5. Step 5: Solve for x
    x = 483,083,556,406.84/779,972.56
  6. Step 6: Final answer
    x = 619,359.68

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1.5x scale

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.