Home / 608,105.08-839,484.30-381,875.32

Finding the Fourth Proportional to 608,105.08, 839,484.30 and 381,875.32

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Solution

The fourth proportional to 608,105.08, 839,484.30 and 381,875.32 is: 527,175.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,105.08 : 839,484.30 = 381,875.32 : x
  2. Step 2: Convert to fraction form
    608,105.08/839,484.30 = 381,875.32/x
  3. Step 3: Cross multiply
    608,105.08x = 839,484.30 × 381,875.32
  4. Step 4: Simplify right side
    608,105.08x = 320,578,335,697.48
  5. Step 5: Solve for x
    x = 320,578,335,697.48/608,105.08
  6. Step 6: Final answer
    x = 527,175.89

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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.