Home / 658,112.80-986,513.10-302,506.60

Finding the Fourth Proportional to 658,112.80, 986,513.10 and 302,506.60

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Solution

The fourth proportional to 658,112.80, 986,513.10 and 302,506.60 is: 453,458.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,112.80 : 986,513.10 = 302,506.60 : x
  2. Step 2: Convert to fraction form
    658,112.80/986,513.10 = 302,506.60/x
  3. Step 3: Cross multiply
    658,112.80x = 986,513.10 × 302,506.60
  4. Step 4: Simplify right side
    658,112.80x = 298,426,723,736.46
  5. Step 5: Solve for x
    x = 298,426,723,736.46/658,112.80
  6. Step 6: Final answer
    x = 453,458.32

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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.