Home / 711,814.42-982,304.02-389,524.60

Finding the Fourth Proportional to 711,814.42, 982,304.02 and 389,524.60

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Solution

The fourth proportional to 711,814.42, 982,304.02 and 389,524.60 is: 537,544.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,814.42 : 982,304.02 = 389,524.60 : x
  2. Step 2: Convert to fraction form
    711,814.42/982,304.02 = 389,524.60/x
  3. Step 3: Cross multiply
    711,814.42x = 982,304.02 × 389,524.60
  4. Step 4: Simplify right side
    711,814.42x = 382,631,580,468.89
  5. Step 5: Solve for x
    x = 382,631,580,468.89/711,814.42
  6. Step 6: Final answer
    x = 537,544.01

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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.