Home / 964,222.40-1,445,447.85-515,253.17

Finding the Fourth Proportional to 964,222.40, 1,445,447.85 and 515,253.17

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Solution

The fourth proportional to 964,222.40, 1,445,447.85 and 515,253.17 is: 772,406.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,222.40 : 1,445,447.85 = 515,253.17 : x
  2. Step 2: Convert to fraction form
    964,222.40/1,445,447.85 = 515,253.17/x
  3. Step 3: Cross multiply
    964,222.40x = 1,445,447.85 × 515,253.17
  4. Step 4: Simplify right side
    964,222.40x = 744,771,579,554.95
  5. Step 5: Solve for x
    x = 744,771,579,554.95/964,222.40
  6. Step 6: Final answer
    x = 772,406.43

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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.