Home / 753,263.67-1,129,904.70-220,795.47

Finding the Fourth Proportional to 753,263.67, 1,129,904.70 and 220,795.47

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Solution

The fourth proportional to 753,263.67, 1,129,904.70 and 220,795.47 is: 331,195.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,263.67 : 1,129,904.70 = 220,795.47 : x
  2. Step 2: Convert to fraction form
    753,263.67/1,129,904.70 = 220,795.47/x
  3. Step 3: Cross multiply
    753,263.67x = 1,129,904.70 × 220,795.47
  4. Step 4: Simplify right side
    753,263.67x = 249,477,839,291.71
  5. Step 5: Solve for x
    x = 249,477,839,291.71/753,263.67
  6. Step 6: Final answer
    x = 331,195.90

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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.