Home / 693,465.80-1,040,198.70-651,475.40

Finding the Fourth Proportional to 693,465.80, 1,040,198.70 and 651,475.40

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Solution

The fourth proportional to 693,465.80, 1,040,198.70 and 651,475.40 is: 977,213.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,465.80 : 1,040,198.70 = 651,475.40 : x
  2. Step 2: Convert to fraction form
    693,465.80/1,040,198.70 = 651,475.40/x
  3. Step 3: Cross multiply
    693,465.80x = 1,040,198.70 × 651,475.40
  4. Step 4: Simplify right side
    693,465.80x = 677,663,864,161.98
  5. Step 5: Solve for x
    x = 677,663,864,161.98/693,465.80
  6. Step 6: Final answer
    x = 977,213.10

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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.