Home / 770,521.90-1,155,495.48-264,939.88

Finding the Fourth Proportional to 770,521.90, 1,155,495.48 and 264,939.88

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Solution

The fourth proportional to 770,521.90, 1,155,495.48 and 264,939.88 is: 397,311.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,521.90 : 1,155,495.48 = 264,939.88 : x
  2. Step 2: Convert to fraction form
    770,521.90/1,155,495.48 = 264,939.88/x
  3. Step 3: Cross multiply
    770,521.90x = 1,155,495.48 × 264,939.88
  4. Step 4: Simplify right side
    770,521.90x = 306,136,833,811.74
  5. Step 5: Solve for x
    x = 306,136,833,811.74/770,521.90
  6. Step 6: Final answer
    x = 397,311.01

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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.