Home / 514,824.33-710,428.55-299,999.37

Finding the Fourth Proportional to 514,824.33, 710,428.55 and 299,999.37

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Solution

The fourth proportional to 514,824.33, 710,428.55 and 299,999.37 is: 413,982.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,824.33 : 710,428.55 = 299,999.37 : x
  2. Step 2: Convert to fraction form
    514,824.33/710,428.55 = 299,999.37/x
  3. Step 3: Cross multiply
    514,824.33x = 710,428.55 × 299,999.37
  4. Step 4: Simplify right side
    514,824.33x = 213,128,115,930.02
  5. Step 5: Solve for x
    x = 213,128,115,930.02/514,824.33
  6. Step 6: Final answer
    x = 413,982.21

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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.