Home / 712,873.13-983,611.77-422,576.15

Finding the Fourth Proportional to 712,873.13, 983,611.77 and 422,576.15

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Solution

The fourth proportional to 712,873.13, 983,611.77 and 422,576.15 is: 583,064.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,873.13 : 983,611.77 = 422,576.15 : x
  2. Step 2: Convert to fraction form
    712,873.13/983,611.77 = 422,576.15/x
  3. Step 3: Cross multiply
    712,873.13x = 983,611.77 × 422,576.15
  4. Step 4: Simplify right side
    712,873.13x = 415,650,874,861.29
  5. Step 5: Solve for x
    x = 415,650,874,861.29/712,873.13
  6. Step 6: Final answer
    x = 583,064.30

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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.