Home / 424,585.50-636,634.03-253,977.63

Finding the Fourth Proportional to 424,585.50, 636,634.03 and 253,977.63

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Solution

The fourth proportional to 424,585.50, 636,634.03 and 253,977.63 is: 380,820.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,585.50 : 636,634.03 = 253,977.63 : x
  2. Step 2: Convert to fraction form
    424,585.50/636,634.03 = 253,977.63/x
  3. Step 3: Cross multiply
    424,585.50x = 636,634.03 × 253,977.63
  4. Step 4: Simplify right side
    424,585.50x = 161,690,799,570.64
  5. Step 5: Solve for x
    x = 161,690,799,570.64/424,585.50
  6. Step 6: Final answer
    x = 380,820.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.