Home / 788,584.74-1,088,269.38-439,733.22

Finding the Fourth Proportional to 788,584.74, 1,088,269.38 and 439,733.22

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Solution

The fourth proportional to 788,584.74, 1,088,269.38 and 439,733.22 is: 606,844.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,584.74 : 1,088,269.38 = 439,733.22 : x
  2. Step 2: Convert to fraction form
    788,584.74/1,088,269.38 = 439,733.22/x
  3. Step 3: Cross multiply
    788,584.74x = 1,088,269.38 × 439,733.22
  4. Step 4: Simplify right side
    788,584.74x = 478,548,198,694.80
  5. Step 5: Solve for x
    x = 478,548,198,694.80/788,584.74
  6. Step 6: Final answer
    x = 606,844.36

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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.