Home / 891,518.40-1,337,277.60-330,436.80

Finding the Fourth Proportional to 891,518.40, 1,337,277.60 and 330,436.80

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Solution

The fourth proportional to 891,518.40, 1,337,277.60 and 330,436.80 is: 495,655.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,518.40 : 1,337,277.60 = 330,436.80 : x
  2. Step 2: Convert to fraction form
    891,518.40/1,337,277.60 = 330,436.80/x
  3. Step 3: Cross multiply
    891,518.40x = 1,337,277.60 × 330,436.80
  4. Step 4: Simplify right side
    891,518.40x = 441,885,730,855.68
  5. Step 5: Solve for x
    x = 441,885,730,855.68/891,518.40
  6. Step 6: Final answer
    x = 495,655.20

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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.