Home / 719,525.30-1,078,926.49-239,583.45

Finding the Fourth Proportional to 719,525.30, 1,078,926.49 and 239,583.45

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Solution

The fourth proportional to 719,525.30, 1,078,926.49 and 239,583.45 is: 359,254.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,525.30 : 1,078,926.49 = 239,583.45 : x
  2. Step 2: Convert to fraction form
    719,525.30/1,078,926.49 = 239,583.45/x
  3. Step 3: Cross multiply
    719,525.30x = 1,078,926.49 × 239,583.45
  4. Step 4: Simplify right side
    719,525.30x = 258,492,930,770.59
  5. Step 5: Solve for x
    x = 258,492,930,770.59/719,525.30
  6. Step 6: Final answer
    x = 359,254.82

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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.