Home / 977,126.20-1,465,640.70-503,859.40

Finding the Fourth Proportional to 977,126.20, 1,465,640.70 and 503,859.40

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Solution

The fourth proportional to 977,126.20, 1,465,640.70 and 503,859.40 is: 755,764.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,126.20 : 1,465,640.70 = 503,859.40 : x
  2. Step 2: Convert to fraction form
    977,126.20/1,465,640.70 = 503,859.40/x
  3. Step 3: Cross multiply
    977,126.20x = 1,465,640.70 × 503,859.40
  4. Step 4: Simplify right side
    977,126.20x = 738,476,843,717.58
  5. Step 5: Solve for x
    x = 738,476,843,717.58/977,126.20
  6. Step 6: Final answer
    x = 755,764.04

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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.