Home / 890,071.80-1,335,107.40-591,136.02

Finding the Fourth Proportional to 890,071.80, 1,335,107.40 and 591,136.02

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Solution

The fourth proportional to 890,071.80, 1,335,107.40 and 591,136.02 is: 886,703.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,071.80 : 1,335,107.40 = 591,136.02 : x
  2. Step 2: Convert to fraction form
    890,071.80/1,335,107.40 = 591,136.02/x
  3. Step 3: Cross multiply
    890,071.80x = 1,335,107.40 × 591,136.02
  4. Step 4: Simplify right side
    890,071.80x = 789,230,074,708.55
  5. Step 5: Solve for x
    x = 789,230,074,708.55/890,071.80
  6. Step 6: Final answer
    x = 886,703.83

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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.