Home / 709,118.57-1,063,534.80-259,686.02

Finding the Fourth Proportional to 709,118.57, 1,063,534.80 and 259,686.02

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Solution

The fourth proportional to 709,118.57, 1,063,534.80 and 259,686.02 is: 389,476.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,118.57 : 1,063,534.80 = 259,686.02 : x
  2. Step 2: Convert to fraction form
    709,118.57/1,063,534.80 = 259,686.02/x
  3. Step 3: Cross multiply
    709,118.57x = 1,063,534.80 × 259,686.02
  4. Step 4: Simplify right side
    709,118.57x = 276,185,119,343.50
  5. Step 5: Solve for x
    x = 276,185,119,343.50/709,118.57
  6. Step 6: Final answer
    x = 389,476.64

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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.