Home / 998,547.60-1,497,821.40-399,601.20

Finding the Fourth Proportional to 998,547.60, 1,497,821.40 and 399,601.20

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Solution

The fourth proportional to 998,547.60, 1,497,821.40 and 399,601.20 is: 599,401.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,547.60 : 1,497,821.40 = 399,601.20 : x
  2. Step 2: Convert to fraction form
    998,547.60/1,497,821.40 = 399,601.20/x
  3. Step 3: Cross multiply
    998,547.60x = 1,497,821.40 × 399,601.20
  4. Step 4: Simplify right side
    998,547.60x = 598,531,228,825.68
  5. Step 5: Solve for x
    x = 598,531,228,825.68/998,547.60
  6. Step 6: Final answer
    x = 599,401.80

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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.