Home / 671,977.74-1,007,459.73-405,674.94

Finding the Fourth Proportional to 671,977.74, 1,007,459.73 and 405,674.94

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Solution

The fourth proportional to 671,977.74, 1,007,459.73 and 405,674.94 is: 608,206.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,977.74 : 1,007,459.73 = 405,674.94 : x
  2. Step 2: Convert to fraction form
    671,977.74/1,007,459.73 = 405,674.94/x
  3. Step 3: Cross multiply
    671,977.74x = 1,007,459.73 × 405,674.94
  4. Step 4: Simplify right side
    671,977.74x = 408,701,165,520.17
  5. Step 5: Solve for x
    x = 408,701,165,520.17/671,977.74
  6. Step 6: Final answer
    x = 608,206.41

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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.