Home / 965,222.15-1,329,449.60-719,419.20

Finding the Fourth Proportional to 965,222.15, 1,329,449.60 and 719,419.20

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Solution

The fourth proportional to 965,222.15, 1,329,449.60 and 719,419.20 is: 990,892.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,222.15 : 1,329,449.60 = 719,419.20 : x
  2. Step 2: Convert to fraction form
    965,222.15/1,329,449.60 = 719,419.20/x
  3. Step 3: Cross multiply
    965,222.15x = 1,329,449.60 × 719,419.20
  4. Step 4: Simplify right side
    965,222.15x = 956,431,564,075.22
  5. Step 5: Solve for x
    x = 956,431,564,075.22/965,222.15
  6. Step 6: Final answer
    x = 990,892.69

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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.