Home / 674,484.48-1,012,427.49-451,403.79

Finding the Fourth Proportional to 674,484.48, 1,012,427.49 and 451,403.79

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Solution

The fourth proportional to 674,484.48, 1,012,427.49 and 451,403.79 is: 677,574.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,484.48 : 1,012,427.49 = 451,403.79 : x
  2. Step 2: Convert to fraction form
    674,484.48/1,012,427.49 = 451,403.79/x
  3. Step 3: Cross multiply
    674,484.48x = 1,012,427.49 × 451,403.79
  4. Step 4: Simplify right side
    674,484.48x = 457,013,606,086.19
  5. Step 5: Solve for x
    x = 457,013,606,086.19/674,484.48
  6. Step 6: Final answer
    x = 677,574.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.