Home / 769,496.40-1,154,264.40-364,593.60

Finding the Fourth Proportional to 769,496.40, 1,154,264.40 and 364,593.60

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Solution

The fourth proportional to 769,496.40, 1,154,264.40 and 364,593.60 is: 546,899.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,496.40 : 1,154,264.40 = 364,593.60 : x
  2. Step 2: Convert to fraction form
    769,496.40/1,154,264.40 = 364,593.60/x
  3. Step 3: Cross multiply
    769,496.40x = 1,154,264.40 × 364,593.60
  4. Step 4: Simplify right side
    769,496.40x = 420,837,412,947.84
  5. Step 5: Solve for x
    x = 420,837,412,947.84/769,496.40
  6. Step 6: Final answer
    x = 546,899.78

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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.