Home / 540,636.57-746,048.28-298,905.03

Finding the Fourth Proportional to 540,636.57, 746,048.28 and 298,905.03

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Solution

The fourth proportional to 540,636.57, 746,048.28 and 298,905.03 is: 412,472.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,636.57 : 746,048.28 = 298,905.03 : x
  2. Step 2: Convert to fraction form
    540,636.57/746,048.28 = 298,905.03/x
  3. Step 3: Cross multiply
    540,636.57x = 746,048.28 × 298,905.03
  4. Step 4: Simplify right side
    540,636.57x = 222,997,583,514.85
  5. Step 5: Solve for x
    x = 222,997,583,514.85/540,636.57
  6. Step 6: Final answer
    x = 412,472.25

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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.