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Finding the Fourth Proportional to 553,559.58, 829,666.83 and 300,239.37

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Solution

The fourth proportional to 553,559.58, 829,666.83 and 300,239.37 is: 449,994.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,559.58 : 829,666.83 = 300,239.37 : x
  2. Step 2: Convert to fraction form
    553,559.58/829,666.83 = 300,239.37/x
  3. Step 3: Cross multiply
    553,559.58x = 829,666.83 × 300,239.37
  4. Step 4: Simplify right side
    553,559.58x = 249,098,646,349.10
  5. Step 5: Solve for x
    x = 249,098,646,349.10/553,559.58
  6. Step 6: Final answer
    x = 449,994.28

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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.