Home / 977,766.40-1,467,305.70-445,013.20

Finding the Fourth Proportional to 977,766.40, 1,467,305.70 and 445,013.20

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Solution

The fourth proportional to 977,766.40, 1,467,305.70 and 445,013.20 is: 667,818.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,766.40 : 1,467,305.70 = 445,013.20 : x
  2. Step 2: Convert to fraction form
    977,766.40/1,467,305.70 = 445,013.20/x
  3. Step 3: Cross multiply
    977,766.40x = 1,467,305.70 × 445,013.20
  4. Step 4: Simplify right side
    977,766.40x = 652,970,404,935.24
  5. Step 5: Solve for x
    x = 652,970,404,935.24/977,766.40
  6. Step 6: Final answer
    x = 667,818.41

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1.5x scale

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.