Home / 790,858.33-1,091,385.54-428,282.77

Finding the Fourth Proportional to 790,858.33, 1,091,385.54 and 428,282.77

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Solution

The fourth proportional to 790,858.33, 1,091,385.54 and 428,282.77 is: 591,030.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,858.33 : 1,091,385.54 = 428,282.77 : x
  2. Step 2: Convert to fraction form
    790,858.33/1,091,385.54 = 428,282.77/x
  3. Step 3: Cross multiply
    790,858.33x = 1,091,385.54 × 428,282.77
  4. Step 4: Simplify right side
    790,858.33x = 467,421,622,209.15
  5. Step 5: Solve for x
    x = 467,421,622,209.15/790,858.33
  6. Step 6: Final answer
    x = 591,030.79

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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.