Home / 676,653.03-1,014,661.62-392,424.30

Finding the Fourth Proportional to 676,653.03, 1,014,661.62 and 392,424.30

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Solution

The fourth proportional to 676,653.03, 1,014,661.62 and 392,424.30 is: 588,452.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,653.03 : 1,014,661.62 = 392,424.30 : x
  2. Step 2: Convert to fraction form
    676,653.03/1,014,661.62 = 392,424.30/x
  3. Step 3: Cross multiply
    676,653.03x = 1,014,661.62 × 392,424.30
  4. Step 4: Simplify right side
    676,653.03x = 398,177,875,965.37
  5. Step 5: Solve for x
    x = 398,177,875,965.37/676,653.03
  6. Step 6: Final answer
    x = 588,452.07

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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.