Home / 772,242.97-1,065,063.42-543,557.29

Finding the Fourth Proportional to 772,242.97, 1,065,063.42 and 543,557.29

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Solution

The fourth proportional to 772,242.97, 1,065,063.42 and 543,557.29 is: 749,664.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,242.97 : 1,065,063.42 = 543,557.29 : x
  2. Step 2: Convert to fraction form
    772,242.97/1,065,063.42 = 543,557.29/x
  3. Step 3: Cross multiply
    772,242.97x = 1,065,063.42 × 543,557.29
  4. Step 4: Simplify right side
    772,242.97x = 578,922,986,253.33
  5. Step 5: Solve for x
    x = 578,922,986,253.33/772,242.97
  6. Step 6: Final answer
    x = 749,664.30

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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.