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Finding the Fourth Proportional to 453,440.76, 625,738.14 and 262,450.32

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Solution

The fourth proportional to 453,440.76, 625,738.14 and 262,450.32 is: 362,175.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,440.76 : 625,738.14 = 262,450.32 : x
  2. Step 2: Convert to fraction form
    453,440.76/625,738.14 = 262,450.32/x
  3. Step 3: Cross multiply
    453,440.76x = 625,738.14 × 262,450.32
  4. Step 4: Simplify right side
    453,440.76x = 164,225,175,079.21
  5. Step 5: Solve for x
    x = 164,225,175,079.21/453,440.76
  6. Step 6: Final answer
    x = 362,175.59

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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.