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Finding the Fourth Proportional to 610,459.58, 842,262.08 and 480,996.66

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Solution

The fourth proportional to 610,459.58, 842,262.08 and 480,996.66 is: 663,639.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,459.58 : 842,262.08 = 480,996.66 : x
  2. Step 2: Convert to fraction form
    610,459.58/842,262.08 = 480,996.66/x
  3. Step 3: Cross multiply
    610,459.58x = 842,262.08 × 480,996.66
  4. Step 4: Simplify right side
    610,459.58x = 405,125,247,324.65
  5. Step 5: Solve for x
    x = 405,125,247,324.65/610,459.58
  6. Step 6: Final answer
    x = 663,639.76

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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.