Home / 859,475.82-1,186,096.40-472,315.32

Finding the Fourth Proportional to 859,475.82, 1,186,096.40 and 472,315.32

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Solution

The fourth proportional to 859,475.82, 1,186,096.40 and 472,315.32 is: 651,806.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,475.82 : 1,186,096.40 = 472,315.32 : x
  2. Step 2: Convert to fraction form
    859,475.82/1,186,096.40 = 472,315.32/x
  3. Step 3: Cross multiply
    859,475.82x = 1,186,096.40 × 472,315.32
  4. Step 4: Simplify right side
    859,475.82x = 560,211,500,716.85
  5. Step 5: Solve for x
    x = 560,211,500,716.85/859,475.82
  6. Step 6: Final answer
    x = 651,806.01

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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.