Home / 869,892.81-1,304,526.35-301,119.72

Finding the Fourth Proportional to 869,892.81, 1,304,526.35 and 301,119.72

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Solution

The fourth proportional to 869,892.81, 1,304,526.35 and 301,119.72 is: 451,571.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,892.81 : 1,304,526.35 = 301,119.72 : x
  2. Step 2: Convert to fraction form
    869,892.81/1,304,526.35 = 301,119.72/x
  3. Step 3: Cross multiply
    869,892.81x = 1,304,526.35 × 301,119.72
  4. Step 4: Simplify right side
    869,892.81x = 392,818,607,739.02
  5. Step 5: Solve for x
    x = 392,818,607,739.02/869,892.81
  6. Step 6: Final answer
    x = 451,571.28

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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.