Home / 772,910.12-1,066,125.06-558,365.48

Finding the Fourth Proportional to 772,910.12, 1,066,125.06 and 558,365.48

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Solution

The fourth proportional to 772,910.12, 1,066,125.06 and 558,365.48 is: 770,189.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,910.12 : 1,066,125.06 = 558,365.48 : x
  2. Step 2: Convert to fraction form
    772,910.12/1,066,125.06 = 558,365.48/x
  3. Step 3: Cross multiply
    772,910.12x = 1,066,125.06 × 558,365.48
  4. Step 4: Simplify right side
    772,910.12x = 595,287,430,866.93
  5. Step 5: Solve for x
    x = 595,287,430,866.93/772,910.12
  6. Step 6: Final answer
    x = 770,189.72

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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.