Home / 547,987.42-821,981.27-358,607.26

Finding the Fourth Proportional to 547,987.42, 821,981.27 and 358,607.26

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Solution

The fourth proportional to 547,987.42, 821,981.27 and 358,607.26 is: 537,910.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,987.42 : 821,981.27 = 358,607.26 : x
  2. Step 2: Convert to fraction form
    547,987.42/821,981.27 = 358,607.26/x
  3. Step 3: Cross multiply
    547,987.42x = 821,981.27 × 358,607.26
  4. Step 4: Simplify right side
    547,987.42x = 294,768,451,006.02
  5. Step 5: Solve for x
    x = 294,768,451,006.02/547,987.42
  6. Step 6: Final answer
    x = 537,910.98

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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.