Home / 671,337.70-1,007,006.55-405,916.90

Finding the Fourth Proportional to 671,337.70, 1,007,006.55 and 405,916.90

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Solution

The fourth proportional to 671,337.70, 1,007,006.55 and 405,916.90 is: 608,875.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,337.70 : 1,007,006.55 = 405,916.90 : x
  2. Step 2: Convert to fraction form
    671,337.70/1,007,006.55 = 405,916.90/x
  3. Step 3: Cross multiply
    671,337.70x = 1,007,006.55 × 405,916.90
  4. Step 4: Simplify right side
    671,337.70x = 408,760,977,055.70
  5. Step 5: Solve for x
    x = 408,760,977,055.70/671,337.70
  6. Step 6: Final answer
    x = 608,875.35

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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.