Home / 510,639.60-704,676.69-281,192.10

Finding the Fourth Proportional to 510,639.60, 704,676.69 and 281,192.10

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Solution

The fourth proportional to 510,639.60, 704,676.69 and 281,192.10 is: 388,041.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,639.60 : 704,676.69 = 281,192.10 : x
  2. Step 2: Convert to fraction form
    510,639.60/704,676.69 = 281,192.10/x
  3. Step 3: Cross multiply
    510,639.60x = 704,676.69 × 281,192.10
  4. Step 4: Simplify right side
    510,639.60x = 198,149,518,282.15
  5. Step 5: Solve for x
    x = 198,149,518,282.15/510,639.60
  6. Step 6: Final answer
    x = 388,041.82

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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.