Home / 785,478.48-1,083,893.72-441,287.42

Finding the Fourth Proportional to 785,478.48, 1,083,893.72 and 441,287.42

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Solution

The fourth proportional to 785,478.48, 1,083,893.72 and 441,287.42 is: 608,939.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,478.48 : 1,083,893.72 = 441,287.42 : x
  2. Step 2: Convert to fraction form
    785,478.48/1,083,893.72 = 441,287.42/x
  3. Step 3: Cross multiply
    785,478.48x = 1,083,893.72 × 441,287.42
  4. Step 4: Simplify right side
    785,478.48x = 478,308,655,627.10
  5. Step 5: Solve for x
    x = 478,308,655,627.10/785,478.48
  6. Step 6: Final answer
    x = 608,939.22

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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.