Home / 671,911.40-1,006,484.70-339,674.60

Finding the Fourth Proportional to 671,911.40, 1,006,484.70 and 339,674.60

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Solution

The fourth proportional to 671,911.40, 1,006,484.70 and 339,674.60 is: 508,813.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,911.40 : 1,006,484.70 = 339,674.60 : x
  2. Step 2: Convert to fraction form
    671,911.40/1,006,484.70 = 339,674.60/x
  3. Step 3: Cross multiply
    671,911.40x = 1,006,484.70 × 339,674.60
  4. Step 4: Simplify right side
    671,911.40x = 341,877,287,878.62
  5. Step 5: Solve for x
    x = 341,877,287,878.62/671,911.40
  6. Step 6: Final answer
    x = 508,813.05

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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.