Home / 785,699.58-1,084,272.57-475,609.29

Finding the Fourth Proportional to 785,699.58, 1,084,272.57 and 475,609.29

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Solution

The fourth proportional to 785,699.58, 1,084,272.57 and 475,609.29 is: 656,345.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,699.58 : 1,084,272.57 = 475,609.29 : x
  2. Step 2: Convert to fraction form
    785,699.58/1,084,272.57 = 475,609.29/x
  3. Step 3: Cross multiply
    785,699.58x = 1,084,272.57 × 475,609.29
  4. Step 4: Simplify right side
    785,699.58x = 515,690,104,259.40
  5. Step 5: Solve for x
    x = 515,690,104,259.40/785,699.58
  6. Step 6: Final answer
    x = 656,345.15

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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.