Home / 787,044.69-1,086,116.67-447,512.94

Finding the Fourth Proportional to 787,044.69, 1,086,116.67 and 447,512.94

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Solution

The fourth proportional to 787,044.69, 1,086,116.67 and 447,512.94 is: 617,565.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,044.69 : 1,086,116.67 = 447,512.94 : x
  2. Step 2: Convert to fraction form
    787,044.69/1,086,116.67 = 447,512.94/x
  3. Step 3: Cross multiply
    787,044.69x = 1,086,116.67 × 447,512.94
  4. Step 4: Simplify right side
    787,044.69x = 486,051,264,174.71
  5. Step 5: Solve for x
    x = 486,051,264,174.71/787,044.69
  6. Step 6: Final answer
    x = 617,565.01

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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.