Home / 859,983.05-1,186,790.82-472,814.84

Finding the Fourth Proportional to 859,983.05, 1,186,790.82 and 472,814.84

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Solution

The fourth proportional to 859,983.05, 1,186,790.82 and 472,814.84 is: 652,492.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,983.05 : 1,186,790.82 = 472,814.84 : x
  2. Step 2: Convert to fraction form
    859,983.05/1,186,790.82 = 472,814.84/x
  3. Step 3: Cross multiply
    859,983.05x = 1,186,790.82 × 472,814.84
  4. Step 4: Simplify right side
    859,983.05x = 561,132,311,671.77
  5. Step 5: Solve for x
    x = 561,132,311,671.77/859,983.05
  6. Step 6: Final answer
    x = 652,492.29

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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.