Home / 790,421.52-1,182,876-646,604.40

Finding the Fourth Proportional to 790,421.52, 1,182,876 and 646,604.40

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Solution

The fourth proportional to 790,421.52, 1,182,876 and 646,604.40 is: 967,651.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,421.52 : 1,182,876 = 646,604.40 : x
  2. Step 2: Convert to fraction form
    790,421.52/1,182,876 = 646,604.40/x
  3. Step 3: Cross multiply
    790,421.52x = 1,182,876 × 646,604.40
  4. Step 4: Simplify right side
    790,421.52x = 764,852,826,254.40
  5. Step 5: Solve for x
    x = 764,852,826,254.40/790,421.52
  6. Step 6: Final answer
    x = 967,651.82

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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.