Home / 802,256.38-1,107,113.81-479,980.06

Finding the Fourth Proportional to 802,256.38, 1,107,113.81 and 479,980.06

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Solution

The fourth proportional to 802,256.38, 1,107,113.81 and 479,980.06 is: 662,372.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,256.38 : 1,107,113.81 = 479,980.06 : x
  2. Step 2: Convert to fraction form
    802,256.38/1,107,113.81 = 479,980.06/x
  3. Step 3: Cross multiply
    802,256.38x = 1,107,113.81 × 479,980.06
  4. Step 4: Simplify right side
    802,256.38x = 531,392,545,015.16
  5. Step 5: Solve for x
    x = 531,392,545,015.16/802,256.38
  6. Step 6: Final answer
    x = 662,372.48

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1.5x scale

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.