Home / 746,914.60-1,030,754.40-407,382.84

Finding the Fourth Proportional to 746,914.60, 1,030,754.40 and 407,382.84

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Solution

The fourth proportional to 746,914.60, 1,030,754.40 and 407,382.84 is: 562,195.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,914.60 : 1,030,754.40 = 407,382.84 : x
  2. Step 2: Convert to fraction form
    746,914.60/1,030,754.40 = 407,382.84/x
  3. Step 3: Cross multiply
    746,914.60x = 1,030,754.40 × 407,382.84
  4. Step 4: Simplify right side
    746,914.60x = 419,911,654,814.50
  5. Step 5: Solve for x
    x = 419,911,654,814.50/746,914.60
  6. Step 6: Final answer
    x = 562,195.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.