Home / 965,901.20-1,447,685.40-492,342.80

Finding the Fourth Proportional to 965,901.20, 1,447,685.40 and 492,342.80

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Solution

The fourth proportional to 965,901.20, 1,447,685.40 and 492,342.80 is: 737,919.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,901.20 : 1,447,685.40 = 492,342.80 : x
  2. Step 2: Convert to fraction form
    965,901.20/1,447,685.40 = 492,342.80/x
  3. Step 3: Cross multiply
    965,901.20x = 1,447,685.40 × 492,342.80
  4. Step 4: Simplify right side
    965,901.20x = 712,757,483,355.12
  5. Step 5: Solve for x
    x = 712,757,483,355.12/965,901.20
  6. Step 6: Final answer
    x = 737,919.66

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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.