Home / 763,795.92-1,054,322.40-655,933.20

Finding the Fourth Proportional to 763,795.92, 1,054,322.40 and 655,933.20

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Solution

The fourth proportional to 763,795.92, 1,054,322.40 and 655,933.20 is: 905,431.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,795.92 : 1,054,322.40 = 655,933.20 : x
  2. Step 2: Convert to fraction form
    763,795.92/1,054,322.40 = 655,933.20/x
  3. Step 3: Cross multiply
    763,795.92x = 1,054,322.40 × 655,933.20
  4. Step 4: Simplify right side
    763,795.92x = 691,565,065,663.68
  5. Step 5: Solve for x
    x = 691,565,065,663.68/763,795.92
  6. Step 6: Final answer
    x = 905,431.74

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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.