Home / 520,698.02-780,766.20-236,233.35

Finding the Fourth Proportional to 520,698.02, 780,766.20 and 236,233.35

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Solution

The fourth proportional to 520,698.02, 780,766.20 and 236,233.35 is: 354,222.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,698.02 : 780,766.20 = 236,233.35 : x
  2. Step 2: Convert to fraction form
    520,698.02/780,766.20 = 236,233.35/x
  3. Step 3: Cross multiply
    520,698.02x = 780,766.20 × 236,233.35
  4. Step 4: Simplify right side
    520,698.02x = 184,443,015,202.49
  5. Step 5: Solve for x
    x = 184,443,015,202.49/520,698.02
  6. Step 6: Final answer
    x = 354,222.62

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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.