Home / 453,719.16-626,068.68-300,519.81

Finding the Fourth Proportional to 453,719.16, 626,068.68 and 300,519.81

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Solution

The fourth proportional to 453,719.16, 626,068.68 and 300,519.81 is: 414,675.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,719.16 : 626,068.68 = 300,519.81 : x
  2. Step 2: Convert to fraction form
    453,719.16/626,068.68 = 300,519.81/x
  3. Step 3: Cross multiply
    453,719.16x = 626,068.68 × 300,519.81
  4. Step 4: Simplify right side
    453,719.16x = 188,146,040,760.55
  5. Step 5: Solve for x
    x = 188,146,040,760.55/453,719.16
  6. Step 6: Final answer
    x = 414,675.11

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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.