Home / 647,937.60-971,966.88-243,021.84

Finding the Fourth Proportional to 647,937.60, 971,966.88 and 243,021.84

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Solution

The fourth proportional to 647,937.60, 971,966.88 and 243,021.84 is: 364,555.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,937.60 : 971,966.88 = 243,021.84 : x
  2. Step 2: Convert to fraction form
    647,937.60/971,966.88 = 243,021.84/x
  3. Step 3: Cross multiply
    647,937.60x = 971,966.88 × 243,021.84
  4. Step 4: Simplify right side
    647,937.60x = 236,209,179,596.66
  5. Step 5: Solve for x
    x = 236,209,179,596.66/647,937.60
  6. Step 6: Final answer
    x = 364,555.44

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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.