Home / 896,460.62-1,344,823.27-320,039.21

Finding the Fourth Proportional to 896,460.62, 1,344,823.27 and 320,039.21

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Solution

The fourth proportional to 896,460.62, 1,344,823.27 and 320,039.21 is: 480,106.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,460.62 : 1,344,823.27 = 320,039.21 : x
  2. Step 2: Convert to fraction form
    896,460.62/1,344,823.27 = 320,039.21/x
  3. Step 3: Cross multiply
    896,460.62x = 1,344,823.27 × 320,039.21
  4. Step 4: Simplify right side
    896,460.62x = 430,396,179,482.38
  5. Step 5: Solve for x
    x = 430,396,179,482.38/896,460.62
  6. Step 6: Final answer
    x = 480,106.07

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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.