Home / 447,977.64-671,628.59-270,442.45

Finding the Fourth Proportional to 447,977.64, 671,628.59 and 270,442.45

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Solution

The fourth proportional to 447,977.64, 671,628.59 and 270,442.45 is: 405,459.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,977.64 : 671,628.59 = 270,442.45 : x
  2. Step 2: Convert to fraction form
    447,977.64/671,628.59 = 270,442.45/x
  3. Step 3: Cross multiply
    447,977.64x = 671,628.59 × 270,442.45
  4. Step 4: Simplify right side
    447,977.64x = 181,636,881,369.65
  5. Step 5: Solve for x
    x = 181,636,881,369.65/447,977.64
  6. Step 6: Final answer
    x = 405,459.70

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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.