Home / 445,108.24-666,901.68-318,099.58

Finding the Fourth Proportional to 445,108.24, 666,901.68 and 318,099.58

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Solution

The fourth proportional to 445,108.24, 666,901.68 and 318,099.58 is: 476,605.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,108.24 : 666,901.68 = 318,099.58 : x
  2. Step 2: Convert to fraction form
    445,108.24/666,901.68 = 318,099.58/x
  3. Step 3: Cross multiply
    445,108.24x = 666,901.68 × 318,099.58
  4. Step 4: Simplify right side
    445,108.24x = 212,141,144,309.29
  5. Step 5: Solve for x
    x = 212,141,144,309.29/445,108.24
  6. Step 6: Final answer
    x = 476,605.74

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1.5x scale

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.