Home / 488,911.40-733,799.10-288,981.80

Finding the Fourth Proportional to 488,911.40, 733,799.10 and 288,981.80

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Solution

The fourth proportional to 488,911.40, 733,799.10 and 288,981.80 is: 433,728.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,911.40 : 733,799.10 = 288,981.80 : x
  2. Step 2: Convert to fraction form
    488,911.40/733,799.10 = 288,981.80/x
  3. Step 3: Cross multiply
    488,911.40x = 733,799.10 × 288,981.80
  4. Step 4: Simplify right side
    488,911.40x = 212,054,584,756.38
  5. Step 5: Solve for x
    x = 212,054,584,756.38/488,911.40
  6. Step 6: Final answer
    x = 433,728.04

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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.