Home / 578,741.68-798,641.13-324,079.84

Finding the Fourth Proportional to 578,741.68, 798,641.13 and 324,079.84

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Solution

The fourth proportional to 578,741.68, 798,641.13 and 324,079.84 is: 447,217.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,741.68 : 798,641.13 = 324,079.84 : x
  2. Step 2: Convert to fraction form
    578,741.68/798,641.13 = 324,079.84/x
  3. Step 3: Cross multiply
    578,741.68x = 798,641.13 × 324,079.84
  4. Step 4: Simplify right side
    578,741.68x = 258,823,489,627.82
  5. Step 5: Solve for x
    x = 258,823,489,627.82/578,741.68
  6. Step 6: Final answer
    x = 447,217.64

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Double scale
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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.