Home / 898,971.48-1,348,005.78-299,720.52

Finding the Fourth Proportional to 898,971.48, 1,348,005.78 and 299,720.52

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Solution

The fourth proportional to 898,971.48, 1,348,005.78 and 299,720.52 is: 449,430.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,971.48 : 1,348,005.78 = 299,720.52 : x
  2. Step 2: Convert to fraction form
    898,971.48/1,348,005.78 = 299,720.52/x
  3. Step 3: Cross multiply
    898,971.48x = 1,348,005.78 × 299,720.52
  4. Step 4: Simplify right side
    898,971.48x = 404,024,993,344.61
  5. Step 5: Solve for x
    x = 404,024,993,344.61/898,971.48
  6. Step 6: Final answer
    x = 449,430.27

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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.