Home / 757,703.83-1,045,766.74-451,799.90

Finding the Fourth Proportional to 757,703.83, 1,045,766.74 and 451,799.90

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Solution

The fourth proportional to 757,703.83, 1,045,766.74 and 451,799.90 is: 623,564.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,703.83 : 1,045,766.74 = 451,799.90 : x
  2. Step 2: Convert to fraction form
    757,703.83/1,045,766.74 = 451,799.90/x
  3. Step 3: Cross multiply
    757,703.83x = 1,045,766.74 × 451,799.90
  4. Step 4: Simplify right side
    757,703.83x = 472,477,308,555.33
  5. Step 5: Solve for x
    x = 472,477,308,555.33/757,703.83
  6. Step 6: Final answer
    x = 623,564.63

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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.