Home / 770,586.72-1,063,623.39-448,359.06

Finding the Fourth Proportional to 770,586.72, 1,063,623.39 and 448,359.06

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Solution

The fourth proportional to 770,586.72, 1,063,623.39 and 448,359.06 is: 618,859.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,586.72 : 1,063,623.39 = 448,359.06 : x
  2. Step 2: Convert to fraction form
    770,586.72/1,063,623.39 = 448,359.06/x
  3. Step 3: Cross multiply
    770,586.72x = 1,063,623.39 × 448,359.06
  4. Step 4: Simplify right side
    770,586.72x = 476,885,183,334.41
  5. Step 5: Solve for x
    x = 476,885,183,334.41/770,586.72
  6. Step 6: Final answer
    x = 618,859.85

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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.