Home / 558,450.12-770,678.46-316,742.52

Finding the Fourth Proportional to 558,450.12, 770,678.46 and 316,742.52

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Solution

The fourth proportional to 558,450.12, 770,678.46 and 316,742.52 is: 437,114.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,450.12 : 770,678.46 = 316,742.52 : x
  2. Step 2: Convert to fraction form
    558,450.12/770,678.46 = 316,742.52/x
  3. Step 3: Cross multiply
    558,450.12x = 770,678.46 × 316,742.52
  4. Step 4: Simplify right side
    558,450.12x = 244,106,637,530.12
  5. Step 5: Solve for x
    x = 244,106,637,530.12/558,450.12
  6. Step 6: Final answer
    x = 437,114.49

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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.