Home / 891,259.80-1,336,299.30-492,091.80

Finding the Fourth Proportional to 891,259.80, 1,336,299.30 and 492,091.80

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Solution

The fourth proportional to 891,259.80, 1,336,299.30 and 492,091.80 is: 737,811.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,259.80 : 1,336,299.30 = 492,091.80 : x
  2. Step 2: Convert to fraction form
    891,259.80/1,336,299.30 = 492,091.80/x
  3. Step 3: Cross multiply
    891,259.80x = 1,336,299.30 × 492,091.80
  4. Step 4: Simplify right side
    891,259.80x = 657,581,927,875.74
  5. Step 5: Solve for x
    x = 657,581,927,875.74/891,259.80
  6. Step 6: Final answer
    x = 737,811.72

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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.