Home / 439,040.84-658,088.81-287,180.73

Finding the Fourth Proportional to 439,040.84, 658,088.81 and 287,180.73

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Solution

The fourth proportional to 439,040.84, 658,088.81 and 287,180.73 is: 430,462.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,040.84 : 658,088.81 = 287,180.73 : x
  2. Step 2: Convert to fraction form
    439,040.84/658,088.81 = 287,180.73/x
  3. Step 3: Cross multiply
    439,040.84x = 658,088.81 × 287,180.73
  4. Step 4: Simplify right side
    439,040.84x = 188,990,423,424.73
  5. Step 5: Solve for x
    x = 188,990,423,424.73/439,040.84
  6. Step 6: Final answer
    x = 430,462.06

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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.