Home / 484,864.45-669,201.15-281,045.77

Finding the Fourth Proportional to 484,864.45, 669,201.15 and 281,045.77

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Solution

The fourth proportional to 484,864.45, 669,201.15 and 281,045.77 is: 387,894.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,864.45 : 669,201.15 = 281,045.77 : x
  2. Step 2: Convert to fraction form
    484,864.45/669,201.15 = 281,045.77/x
  3. Step 3: Cross multiply
    484,864.45x = 669,201.15 × 281,045.77
  4. Step 4: Simplify right side
    484,864.45x = 188,076,152,486.64
  5. Step 5: Solve for x
    x = 188,076,152,486.64/484,864.45
  6. Step 6: Final answer
    x = 387,894.29

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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.