Home / 898,940.44-1,240,788-517,090.24

Finding the Fourth Proportional to 898,940.44, 1,240,788 and 517,090.24

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Solution

The fourth proportional to 898,940.44, 1,240,788 and 517,090.24 is: 713,728.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,940.44 : 1,240,788 = 517,090.24 : x
  2. Step 2: Convert to fraction form
    898,940.44/1,240,788 = 517,090.24/x
  3. Step 3: Cross multiply
    898,940.44x = 1,240,788 × 517,090.24
  4. Step 4: Simplify right side
    898,940.44x = 641,599,364,709.12
  5. Step 5: Solve for x
    x = 641,599,364,709.12/898,940.44
  6. Step 6: Final answer
    x = 713,728.45

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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.