Home / 790,932.60-1,091,477.70-428,349.60

Finding the Fourth Proportional to 790,932.60, 1,091,477.70 and 428,349.60

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Solution

The fourth proportional to 790,932.60, 1,091,477.70 and 428,349.60 is: 591,117.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,932.60 : 1,091,477.70 = 428,349.60 : x
  2. Step 2: Convert to fraction form
    790,932.60/1,091,477.70 = 428,349.60/x
  3. Step 3: Cross multiply
    790,932.60x = 1,091,477.70 × 428,349.60
  4. Step 4: Simplify right side
    790,932.60x = 467,534,036,203.92
  5. Step 5: Solve for x
    x = 467,534,036,203.92/790,932.60
  6. Step 6: Final answer
    x = 591,117.42

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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.