Home / 767,257.13-1,151,595.53-388,444.03

Finding the Fourth Proportional to 767,257.13, 1,151,595.53 and 388,444.03

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Solution

The fourth proportional to 767,257.13, 1,151,595.53 and 388,444.03 is: 583,025.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,257.13 : 1,151,595.53 = 388,444.03 : x
  2. Step 2: Convert to fraction form
    767,257.13/1,151,595.53 = 388,444.03/x
  3. Step 3: Cross multiply
    767,257.13x = 1,151,595.53 × 388,444.03
  4. Step 4: Simplify right side
    767,257.13x = 447,330,408,603.19
  5. Step 5: Solve for x
    x = 447,330,408,603.19/767,257.13
  6. Step 6: Final answer
    x = 583,025.42

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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.