Home / 780,485.10-1,170,929.14-240,729.24

Finding the Fourth Proportional to 780,485.10, 1,170,929.14 and 240,729.24

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Solution

The fourth proportional to 780,485.10, 1,170,929.14 and 240,729.24 is: 361,156.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,485.10 : 1,170,929.14 = 240,729.24 : x
  2. Step 2: Convert to fraction form
    780,485.10/1,170,929.14 = 240,729.24/x
  3. Step 3: Cross multiply
    780,485.10x = 1,170,929.14 × 240,729.24
  4. Step 4: Simplify right side
    780,485.10x = 281,876,885,755.22
  5. Step 5: Solve for x
    x = 281,876,885,755.22/780,485.10
  6. Step 6: Final answer
    x = 361,156.01

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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.