Home / 918,107.44-1,266,995.28-510,247.54

Finding the Fourth Proportional to 918,107.44, 1,266,995.28 and 510,247.54

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Solution

The fourth proportional to 918,107.44, 1,266,995.28 and 510,247.54 is: 704,145.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,107.44 : 1,266,995.28 = 510,247.54 : x
  2. Step 2: Convert to fraction form
    918,107.44/1,266,995.28 = 510,247.54/x
  3. Step 3: Cross multiply
    918,107.44x = 1,266,995.28 × 510,247.54
  4. Step 4: Simplify right side
    918,107.44x = 646,481,224,811.61
  5. Step 5: Solve for x
    x = 646,481,224,811.61/918,107.44
  6. Step 6: Final answer
    x = 704,145.50

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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.