Home / 664,636.86-996,947.46-450,875.16

Finding the Fourth Proportional to 664,636.86, 996,947.46 and 450,875.16

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Solution

The fourth proportional to 664,636.86, 996,947.46 and 450,875.16 is: 676,307.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,636.86 : 996,947.46 = 450,875.16 : x
  2. Step 2: Convert to fraction form
    664,636.86/996,947.46 = 450,875.16/x
  3. Step 3: Cross multiply
    664,636.86x = 996,947.46 × 450,875.16
  4. Step 4: Simplify right side
    664,636.86x = 449,498,845,539.09
  5. Step 5: Solve for x
    x = 449,498,845,539.09/664,636.86
  6. Step 6: Final answer
    x = 676,307.43

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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.