Home / 770,645.22-1,063,704.33-448,417.77

Finding the Fourth Proportional to 770,645.22, 1,063,704.33 and 448,417.77

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Solution

The fourth proportional to 770,645.22, 1,063,704.33 and 448,417.77 is: 618,941.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,645.22 : 1,063,704.33 = 448,417.77 : x
  2. Step 2: Convert to fraction form
    770,645.22/1,063,704.33 = 448,417.77/x
  3. Step 3: Cross multiply
    770,645.22x = 1,063,704.33 × 448,417.77
  4. Step 4: Simplify right side
    770,645.22x = 476,983,923,597.94
  5. Step 5: Solve for x
    x = 476,983,923,597.94/770,645.22
  6. Step 6: Final answer
    x = 618,941.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.