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Finding the Fourth Proportional to 404,783.80, 606,657.30 and 310,823.80

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Solution

The fourth proportional to 404,783.80, 606,657.30 and 310,823.80 is: 465,837.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,783.80 : 606,657.30 = 310,823.80 : x
  2. Step 2: Convert to fraction form
    404,783.80/606,657.30 = 310,823.80/x
  3. Step 3: Cross multiply
    404,783.80x = 606,657.30 × 310,823.80
  4. Step 4: Simplify right side
    404,783.80x = 188,563,527,283.74
  5. Step 5: Solve for x
    x = 188,563,527,283.74/404,783.80
  6. Step 6: Final answer
    x = 465,837.63

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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.