Home / 919,922.10-1,379,786.08-246,071.40

Finding the Fourth Proportional to 919,922.10, 1,379,786.08 and 246,071.40

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Solution

The fourth proportional to 919,922.10, 1,379,786.08 and 246,071.40 is: 369,081.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,922.10 : 1,379,786.08 = 246,071.40 : x
  2. Step 2: Convert to fraction form
    919,922.10/1,379,786.08 = 246,071.40/x
  3. Step 3: Cross multiply
    919,922.10x = 1,379,786.08 × 246,071.40
  4. Step 4: Simplify right side
    919,922.10x = 339,525,884,276.83
  5. Step 5: Solve for x
    x = 339,525,884,276.83/919,922.10
  6. Step 6: Final answer
    x = 369,081.13

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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.