Home / 528,962.42-730,013.38-299,560.25

Finding the Fourth Proportional to 528,962.42, 730,013.38 and 299,560.25

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Solution

The fourth proportional to 528,962.42, 730,013.38 and 299,560.25 is: 413,418.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,962.42 : 730,013.38 = 299,560.25 : x
  2. Step 2: Convert to fraction form
    528,962.42/730,013.38 = 299,560.25/x
  3. Step 3: Cross multiply
    528,962.42x = 730,013.38 × 299,560.25
  4. Step 4: Simplify right side
    528,962.42x = 218,682,991,692.28
  5. Step 5: Solve for x
    x = 218,682,991,692.28/528,962.42
  6. Step 6: Final answer
    x = 413,418.77

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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.