Home / 558,265.64-770,582.09-328,807.42

Finding the Fourth Proportional to 558,265.64, 770,582.09 and 328,807.42

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Solution

The fourth proportional to 558,265.64, 770,582.09 and 328,807.42 is: 453,857.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,265.64 : 770,582.09 = 328,807.42 : x
  2. Step 2: Convert to fraction form
    558,265.64/770,582.09 = 328,807.42/x
  3. Step 3: Cross multiply
    558,265.64x = 770,582.09 × 328,807.42
  4. Step 4: Simplify right side
    558,265.64x = 253,373,107,806.67
  5. Step 5: Solve for x
    x = 253,373,107,806.67/558,265.64
  6. Step 6: Final answer
    x = 453,857.61

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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.