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Finding the Fourth Proportional to 557,141.07, 767,133.15 and 435,126.33

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Solution

The fourth proportional to 557,141.07, 767,133.15 and 435,126.33 is: 599,129.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,141.07 : 767,133.15 = 435,126.33 : x
  2. Step 2: Convert to fraction form
    557,141.07/767,133.15 = 435,126.33/x
  3. Step 3: Cross multiply
    557,141.07x = 767,133.15 × 435,126.33
  4. Step 4: Simplify right side
    557,141.07x = 333,799,832,180.84
  5. Step 5: Solve for x
    x = 333,799,832,180.84/557,141.07
  6. Step 6: Final answer
    x = 599,129.83

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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.