Home / 982,354.86-1,355,636.19-552,634.86

Finding the Fourth Proportional to 982,354.86, 1,355,636.19 and 552,634.86

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Solution

The fourth proportional to 982,354.86, 1,355,636.19 and 552,634.86 is: 762,628.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,354.86 : 1,355,636.19 = 552,634.86 : x
  2. Step 2: Convert to fraction form
    982,354.86/1,355,636.19 = 552,634.86/x
  3. Step 3: Cross multiply
    982,354.86x = 1,355,636.19 × 552,634.86
  4. Step 4: Simplify right side
    982,354.86x = 749,171,816,071.58
  5. Step 5: Solve for x
    x = 749,171,816,071.58/982,354.86
  6. Step 6: Final answer
    x = 762,628.50

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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.