Home / 699,117.72-1,048,012.17-445,686.94

Finding the Fourth Proportional to 699,117.72, 1,048,012.17 and 445,686.94

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Solution

The fourth proportional to 699,117.72, 1,048,012.17 and 445,686.94 is: 668,106.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,117.72 : 1,048,012.17 = 445,686.94 : x
  2. Step 2: Convert to fraction form
    699,117.72/1,048,012.17 = 445,686.94/x
  3. Step 3: Cross multiply
    699,117.72x = 1,048,012.17 × 445,686.94
  4. Step 4: Simplify right side
    699,117.72x = 467,085,337,130.06
  5. Step 5: Solve for x
    x = 467,085,337,130.06/699,117.72
  6. Step 6: Final answer
    x = 668,106.85

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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.