Home / 828,962.73-1,143,962.87-471,266.73

Finding the Fourth Proportional to 828,962.73, 1,143,962.87 and 471,266.73

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Solution

The fourth proportional to 828,962.73, 1,143,962.87 and 471,266.73 is: 650,344.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,962.73 : 1,143,962.87 = 471,266.73 : x
  2. Step 2: Convert to fraction form
    828,962.73/1,143,962.87 = 471,266.73/x
  3. Step 3: Cross multiply
    828,962.73x = 1,143,962.87 × 471,266.73
  4. Step 4: Simplify right side
    828,962.73x = 539,111,638,629.98
  5. Step 5: Solve for x
    x = 539,111,638,629.98/828,962.73
  6. Step 6: Final answer
    x = 650,344.85

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1.5x scale

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.