Home / 534,141.80-802,962.30-377,455.40

Finding the Fourth Proportional to 534,141.80, 802,962.30 and 377,455.40

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Solution

The fourth proportional to 534,141.80, 802,962.30 and 377,455.40 is: 567,419.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,141.80 : 802,962.30 = 377,455.40 : x
  2. Step 2: Convert to fraction form
    534,141.80/802,962.30 = 377,455.40/x
  3. Step 3: Cross multiply
    534,141.80x = 802,962.30 × 377,455.40
  4. Step 4: Simplify right side
    534,141.80x = 303,082,456,131.42
  5. Step 5: Solve for x
    x = 303,082,456,131.42/534,141.80
  6. Step 6: Final answer
    x = 567,419.47

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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.