Home / 773,347.91-1,159,871.60-388,994.40

Finding the Fourth Proportional to 773,347.91, 1,159,871.60 and 388,994.40

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Solution

The fourth proportional to 773,347.91, 1,159,871.60 and 388,994.40 is: 583,416.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,347.91 : 1,159,871.60 = 388,994.40 : x
  2. Step 2: Convert to fraction form
    773,347.91/1,159,871.60 = 388,994.40/x
  3. Step 3: Cross multiply
    773,347.91x = 1,159,871.60 × 388,994.40
  4. Step 4: Simplify right side
    773,347.91x = 451,183,558,091.53
  5. Step 5: Solve for x
    x = 451,183,558,091.53/773,347.91
  6. Step 6: Final answer
    x = 583,416.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.