Home / 782,741.41-1,080,167.43-438,573.22

Finding the Fourth Proportional to 782,741.41, 1,080,167.43 and 438,573.22

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Solution

The fourth proportional to 782,741.41, 1,080,167.43 and 438,573.22 is: 605,222.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,741.41 : 1,080,167.43 = 438,573.22 : x
  2. Step 2: Convert to fraction form
    782,741.41/1,080,167.43 = 438,573.22/x
  3. Step 3: Cross multiply
    782,741.41x = 1,080,167.43 × 438,573.22
  4. Step 4: Simplify right side
    782,741.41x = 473,732,507,914.23
  5. Step 5: Solve for x
    x = 473,732,507,914.23/782,741.41
  6. Step 6: Final answer
    x = 605,222.24

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Double scale
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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.