Home / 851,956.70-1,175,681.32-469,983.38

Finding the Fourth Proportional to 851,956.70, 1,175,681.32 and 469,983.38

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Solution

The fourth proportional to 851,956.70, 1,175,681.32 and 469,983.38 is: 648,566.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,956.70 : 1,175,681.32 = 469,983.38 : x
  2. Step 2: Convert to fraction form
    851,956.70/1,175,681.32 = 469,983.38/x
  3. Step 3: Cross multiply
    851,956.70x = 1,175,681.32 × 469,983.38
  4. Step 4: Simplify right side
    851,956.70x = 552,550,673,523.10
  5. Step 5: Solve for x
    x = 552,550,673,523.10/851,956.70
  6. Step 6: Final answer
    x = 648,566.62

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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.