Home / 890,074.80-1,335,111.90-591,139.02

Finding the Fourth Proportional to 890,074.80, 1,335,111.90 and 591,139.02

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Solution

The fourth proportional to 890,074.80, 1,335,111.90 and 591,139.02 is: 886,708.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,074.80 : 1,335,111.90 = 591,139.02 : x
  2. Step 2: Convert to fraction form
    890,074.80/1,335,111.90 = 591,139.02/x
  3. Step 3: Cross multiply
    890,074.80x = 1,335,111.90 × 591,139.02
  4. Step 4: Simplify right side
    890,074.80x = 789,236,740,156.34
  5. Step 5: Solve for x
    x = 789,236,740,156.34/890,074.80
  6. Step 6: Final answer
    x = 886,708.33

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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.