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Finding the Fourth Proportional to 580,063.44, 800,475.51 and 321,925.41

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Solution

The fourth proportional to 580,063.44, 800,475.51 and 321,925.41 is: 444,250.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,063.44 : 800,475.51 = 321,925.41 : x
  2. Step 2: Convert to fraction form
    580,063.44/800,475.51 = 321,925.41/x
  3. Step 3: Cross multiply
    580,063.44x = 800,475.51 × 321,925.41
  4. Step 4: Simplify right side
    580,063.44x = 257,693,406,751.71
  5. Step 5: Solve for x
    x = 257,693,406,751.71/580,063.44
  6. Step 6: Final answer
    x = 444,250.39

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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.