Home / 648,328.44-895,167.38-419,021.48

Finding the Fourth Proportional to 648,328.44, 895,167.38 and 419,021.48

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Solution

The fourth proportional to 648,328.44, 895,167.38 and 419,021.48 is: 578,556.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,328.44 : 895,167.38 = 419,021.48 : x
  2. Step 2: Convert to fraction form
    648,328.44/895,167.38 = 419,021.48/x
  3. Step 3: Cross multiply
    648,328.44x = 895,167.38 × 419,021.48
  4. Step 4: Simplify right side
    648,328.44x = 375,094,360,415.32
  5. Step 5: Solve for x
    x = 375,094,360,415.32/648,328.44
  6. Step 6: Final answer
    x = 578,556.08

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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.