Home / 579,830.80-800,172.30-325,176.52

Finding the Fourth Proportional to 579,830.80, 800,172.30 and 325,176.52

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Solution

The fourth proportional to 579,830.80, 800,172.30 and 325,176.52 is: 448,746.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,830.80 : 800,172.30 = 325,176.52 : x
  2. Step 2: Convert to fraction form
    579,830.80/800,172.30 = 325,176.52/x
  3. Step 3: Cross multiply
    579,830.80x = 800,172.30 × 325,176.52
  4. Step 4: Simplify right side
    579,830.80x = 260,197,243,914.40
  5. Step 5: Solve for x
    x = 260,197,243,914.40/579,830.80
  6. Step 6: Final answer
    x = 448,746.85

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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.