Home / 488,913.40-733,802.10-288,983.80

Finding the Fourth Proportional to 488,913.40, 733,802.10 and 288,983.80

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Solution

The fourth proportional to 488,913.40, 733,802.10 and 288,983.80 is: 433,731.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,913.40 : 733,802.10 = 288,983.80 : x
  2. Step 2: Convert to fraction form
    488,913.40/733,802.10 = 288,983.80/x
  3. Step 3: Cross multiply
    488,913.40x = 733,802.10 × 288,983.80
  4. Step 4: Simplify right side
    488,913.40x = 212,056,919,305.98
  5. Step 5: Solve for x
    x = 212,056,919,305.98/488,913.40
  6. Step 6: Final answer
    x = 433,731.04

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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.