Home / 558,035.55-770,054.58-313,006.86

Finding the Fourth Proportional to 558,035.55, 770,054.58 and 313,006.86

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Solution

The fourth proportional to 558,035.55, 770,054.58 and 313,006.86 is: 431,930.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,035.55 : 770,054.58 = 313,006.86 : x
  2. Step 2: Convert to fraction form
    558,035.55/770,054.58 = 313,006.86/x
  3. Step 3: Cross multiply
    558,035.55x = 770,054.58 × 313,006.86
  4. Step 4: Simplify right side
    558,035.55x = 241,032,366,114.42
  5. Step 5: Solve for x
    x = 241,032,366,114.42/558,035.55
  6. Step 6: Final answer
    x = 431,930.13

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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.