Home / 786,869.73-1,181,485.58-450,290.43

Finding the Fourth Proportional to 786,869.73, 1,181,485.58 and 450,290.43

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Solution

The fourth proportional to 786,869.73, 1,181,485.58 and 450,290.43 is: 676,111.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,869.73 : 1,181,485.58 = 450,290.43 : x
  2. Step 2: Convert to fraction form
    786,869.73/1,181,485.58 = 450,290.43/x
  3. Step 3: Cross multiply
    786,869.73x = 1,181,485.58 × 450,290.43
  4. Step 4: Simplify right side
    786,869.73x = 532,011,647,605.55
  5. Step 5: Solve for x
    x = 532,011,647,605.55/786,869.73
  6. Step 6: Final answer
    x = 676,111.47

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1.5x scale

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.