Home / 828,790.66-1,143,628.80-522,751.45

Finding the Fourth Proportional to 828,790.66, 1,143,628.80 and 522,751.45

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Solution

The fourth proportional to 828,790.66, 1,143,628.80 and 522,751.45 is: 721,332.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,790.66 : 1,143,628.80 = 522,751.45 : x
  2. Step 2: Convert to fraction form
    828,790.66/1,143,628.80 = 522,751.45/x
  3. Step 3: Cross multiply
    828,790.66x = 1,143,628.80 × 522,751.45
  4. Step 4: Simplify right side
    828,790.66x = 597,833,609,040.46
  5. Step 5: Solve for x
    x = 597,833,609,040.46/828,790.66
  6. Step 6: Final answer
    x = 721,332.47

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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.