Home / 829,945.86-1,145,344.80-462,447.84

Finding the Fourth Proportional to 829,945.86, 1,145,344.80 and 462,447.84

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Solution

The fourth proportional to 829,945.86, 1,145,344.80 and 462,447.84 is: 638,188.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,945.86 : 1,145,344.80 = 462,447.84 : x
  2. Step 2: Convert to fraction form
    829,945.86/1,145,344.80 = 462,447.84/x
  3. Step 3: Cross multiply
    829,945.86x = 1,145,344.80 × 462,447.84
  4. Step 4: Simplify right side
    829,945.86x = 529,662,228,815.23
  5. Step 5: Solve for x
    x = 529,662,228,815.23/829,945.86
  6. Step 6: Final answer
    x = 638,188.89

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Double scale
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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.