Home / 786,288.96-1,173,712.32-727,865.28

Finding the Fourth Proportional to 786,288.96, 1,173,712.32 and 727,865.28

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Solution

The fourth proportional to 786,288.96, 1,173,712.32 and 727,865.28 is: 1,086,501.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,288.96 : 1,173,712.32 = 727,865.28 : x
  2. Step 2: Convert to fraction form
    786,288.96/1,173,712.32 = 727,865.28/x
  3. Step 3: Cross multiply
    786,288.96x = 1,173,712.32 × 727,865.28
  4. Step 4: Simplify right side
    786,288.96x = 854,304,446,436.25
  5. Step 5: Solve for x
    x = 854,304,446,436.25/786,288.96
  6. Step 6: Final answer
    x = 1,086,501.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.