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Finding the Fourth Proportional to 528,503.48, 729,029.78 and 337,301.36

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Solution

The fourth proportional to 528,503.48, 729,029.78 and 337,301.36 is: 465,281.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,503.48 : 729,029.78 = 337,301.36 : x
  2. Step 2: Convert to fraction form
    528,503.48/729,029.78 = 337,301.36/x
  3. Step 3: Cross multiply
    528,503.48x = 729,029.78 × 337,301.36
  4. Step 4: Simplify right side
    528,503.48x = 245,902,736,274.50
  5. Step 5: Solve for x
    x = 245,902,736,274.50/528,503.48
  6. Step 6: Final answer
    x = 465,281.21

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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.