Home / 998,025.40-1,497,256.80-492,828.40

Finding the Fourth Proportional to 998,025.40, 1,497,256.80 and 492,828.40

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Solution

The fourth proportional to 998,025.40, 1,497,256.80 and 492,828.40 is: 739,350.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,025.40 : 1,497,256.80 = 492,828.40 : x
  2. Step 2: Convert to fraction form
    998,025.40/1,497,256.80 = 492,828.40/x
  3. Step 3: Cross multiply
    998,025.40x = 1,497,256.80 × 492,828.40
  4. Step 4: Simplify right side
    998,025.40x = 737,890,673,133.12
  5. Step 5: Solve for x
    x = 737,890,673,133.12/998,025.40
  6. Step 6: Final answer
    x = 739,350.59

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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.