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Finding the Fourth Proportional to 519,951.42, 717,533.33 and 302,202.77

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Solution

The fourth proportional to 519,951.42, 717,533.33 and 302,202.77 is: 417,040.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,951.42 : 717,533.33 = 302,202.77 : x
  2. Step 2: Convert to fraction form
    519,951.42/717,533.33 = 302,202.77/x
  3. Step 3: Cross multiply
    519,951.42x = 717,533.33 × 302,202.77
  4. Step 4: Simplify right side
    519,951.42x = 216,840,554,794.64
  5. Step 5: Solve for x
    x = 216,840,554,794.64/519,951.42
  6. Step 6: Final answer
    x = 417,040.03

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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.