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Finding the Fourth Proportional to 590,769.09, 815,280.12 and 336,136.68

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Solution

The fourth proportional to 590,769.09, 815,280.12 and 336,136.68 is: 463,879.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,769.09 : 815,280.12 = 336,136.68 : x
  2. Step 2: Convert to fraction form
    590,769.09/815,280.12 = 336,136.68/x
  3. Step 3: Cross multiply
    590,769.09x = 815,280.12 × 336,136.68
  4. Step 4: Simplify right side
    590,769.09x = 274,045,552,806.80
  5. Step 5: Solve for x
    x = 274,045,552,806.80/590,769.09
  6. Step 6: Final answer
    x = 463,879.30

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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.