Home / 759,418.48-1,048,018.48-419,898.88

Finding the Fourth Proportional to 759,418.48, 1,048,018.48 and 419,898.88

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Solution

The fourth proportional to 759,418.48, 1,048,018.48 and 419,898.88 is: 579,472.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,418.48 : 1,048,018.48 = 419,898.88 : x
  2. Step 2: Convert to fraction form
    759,418.48/1,048,018.48 = 419,898.88/x
  3. Step 3: Cross multiply
    759,418.48x = 1,048,018.48 × 419,898.88
  4. Step 4: Simplify right side
    759,418.48x = 440,061,785,971.30
  5. Step 5: Solve for x
    x = 440,061,785,971.30/759,418.48
  6. Step 6: Final answer
    x = 579,472.05

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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.