Home / 490,048.26-676,300.14-272,283.18

Finding the Fourth Proportional to 490,048.26, 676,300.14 and 272,283.18

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Solution

The fourth proportional to 490,048.26, 676,300.14 and 272,283.18 is: 375,769.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,048.26 : 676,300.14 = 272,283.18 : x
  2. Step 2: Convert to fraction form
    490,048.26/676,300.14 = 272,283.18/x
  3. Step 3: Cross multiply
    490,048.26x = 676,300.14 × 272,283.18
  4. Step 4: Simplify right side
    490,048.26x = 184,145,152,753.65
  5. Step 5: Solve for x
    x = 184,145,152,753.65/490,048.26
  6. Step 6: Final answer
    x = 375,769.42

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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.