Home / 790,914.96-1,091,457.18-428,330.52

Finding the Fourth Proportional to 790,914.96, 1,091,457.18 and 428,330.52

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Solution

The fourth proportional to 790,914.96, 1,091,457.18 and 428,330.52 is: 591,093.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,914.96 : 1,091,457.18 = 428,330.52 : x
  2. Step 2: Convert to fraction form
    790,914.96/1,091,457.18 = 428,330.52/x
  3. Step 3: Cross multiply
    790,914.96x = 1,091,457.18 × 428,330.52
  4. Step 4: Simplify right side
    790,914.96x = 467,504,421,467.13
  5. Step 5: Solve for x
    x = 467,504,421,467.13/790,914.96
  6. Step 6: Final answer
    x = 591,093.16

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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.