Home / 977,369.90-1,465,363.65-445,145.90

Finding the Fourth Proportional to 977,369.90, 1,465,363.65 and 445,145.90

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Solution

The fourth proportional to 977,369.90, 1,465,363.65 and 445,145.90 is: 667,404.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,369.90 : 1,465,363.65 = 445,145.90 : x
  2. Step 2: Convert to fraction form
    977,369.90/1,465,363.65 = 445,145.90/x
  3. Step 3: Cross multiply
    977,369.90x = 1,465,363.65 × 445,145.90
  4. Step 4: Simplify right side
    977,369.90x = 652,300,620,806.54
  5. Step 5: Solve for x
    x = 652,300,620,806.54/977,369.90
  6. Step 6: Final answer
    x = 667,404.04

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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.