Home / 528,516.36-729,047.56-337,314.24

Finding the Fourth Proportional to 528,516.36, 729,047.56 and 337,314.24

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Solution

The fourth proportional to 528,516.36, 729,047.56 and 337,314.24 is: 465,298.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,516.36 : 729,047.56 = 337,314.24 : x
  2. Step 2: Convert to fraction form
    528,516.36/729,047.56 = 337,314.24/x
  3. Step 3: Cross multiply
    528,516.36x = 729,047.56 × 337,314.24
  4. Step 4: Simplify right side
    528,516.36x = 245,918,123,625.25
  5. Step 5: Solve for x
    x = 245,918,123,625.25/528,516.36
  6. Step 6: Final answer
    x = 465,298.98

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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.