Home / 947,885.80-1,308,091.12-539,981.60

Finding the Fourth Proportional to 947,885.80, 1,308,091.12 and 539,981.60

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Solution

The fourth proportional to 947,885.80, 1,308,091.12 and 539,981.60 is: 745,179.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,885.80 : 1,308,091.12 = 539,981.60 : x
  2. Step 2: Convert to fraction form
    947,885.80/1,308,091.12 = 539,981.60/x
  3. Step 3: Cross multiply
    947,885.80x = 1,308,091.12 × 539,981.60
  4. Step 4: Simplify right side
    947,885.80x = 706,345,135,923.39
  5. Step 5: Solve for x
    x = 706,345,135,923.39/947,885.80
  6. Step 6: Final answer
    x = 745,179.57

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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.