Home / 455,985.76-629,240.88-252,026.24

Finding the Fourth Proportional to 455,985.76, 629,240.88 and 252,026.24

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Solution

The fourth proportional to 455,985.76, 629,240.88 and 252,026.24 is: 347,785.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,985.76 : 629,240.88 = 252,026.24 : x
  2. Step 2: Convert to fraction form
    455,985.76/629,240.88 = 252,026.24/x
  3. Step 3: Cross multiply
    455,985.76x = 629,240.88 × 252,026.24
  4. Step 4: Simplify right side
    455,985.76x = 158,585,213,040.69
  5. Step 5: Solve for x
    x = 158,585,213,040.69/455,985.76
  6. Step 6: Final answer
    x = 347,785.45

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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.