Home / 950,087.21-1,311,106.82-542,318.23

Finding the Fourth Proportional to 950,087.21, 1,311,106.82 and 542,318.23

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Solution

The fourth proportional to 950,087.21, 1,311,106.82 and 542,318.23 is: 748,391.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,087.21 : 1,311,106.82 = 542,318.23 : x
  2. Step 2: Convert to fraction form
    950,087.21/1,311,106.82 = 542,318.23/x
  3. Step 3: Cross multiply
    950,087.21x = 1,311,106.82 × 542,318.23
  4. Step 4: Simplify right side
    950,087.21x = 711,037,128,041.36
  5. Step 5: Solve for x
    x = 711,037,128,041.36/950,087.21
  6. Step 6: Final answer
    x = 748,391.43

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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.