Home / 882,729.80-1,218,130.26-500,828.56

Finding the Fourth Proportional to 882,729.80, 1,218,130.26 and 500,828.56

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Solution

The fourth proportional to 882,729.80, 1,218,130.26 and 500,828.56 is: 691,122.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,729.80 : 1,218,130.26 = 500,828.56 : x
  2. Step 2: Convert to fraction form
    882,729.80/1,218,130.26 = 500,828.56/x
  3. Step 3: Cross multiply
    882,729.80x = 1,218,130.26 × 500,828.56
  4. Step 4: Simplify right side
    882,729.80x = 610,074,424,008.23
  5. Step 5: Solve for x
    x = 610,074,424,008.23/882,729.80
  6. Step 6: Final answer
    x = 691,122.50

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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.