Home / 946,893.22-1,420,345.23-315,805.21

Finding the Fourth Proportional to 946,893.22, 1,420,345.23 and 315,805.21

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Solution

The fourth proportional to 946,893.22, 1,420,345.23 and 315,805.21 is: 473,709.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,893.22 : 1,420,345.23 = 315,805.21 : x
  2. Step 2: Convert to fraction form
    946,893.22/1,420,345.23 = 315,805.21/x
  3. Step 3: Cross multiply
    946,893.22x = 1,420,345.23 × 315,805.21
  4. Step 4: Simplify right side
    946,893.22x = 448,552,423,632.65
  5. Step 5: Solve for x
    x = 448,552,423,632.65/946,893.22
  6. Step 6: Final answer
    x = 473,709.62

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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.