Home / 998,484.40-1,497,856.20-493,303.60

Finding the Fourth Proportional to 998,484.40, 1,497,856.20 and 493,303.60

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Solution

The fourth proportional to 998,484.40, 1,497,856.20 and 493,303.60 is: 740,019.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,484.40 : 1,497,856.20 = 493,303.60 : x
  2. Step 2: Convert to fraction form
    998,484.40/1,497,856.20 = 493,303.60/x
  3. Step 3: Cross multiply
    998,484.40x = 1,497,856.20 × 493,303.60
  4. Step 4: Simplify right side
    998,484.40x = 738,897,855,742.32
  5. Step 5: Solve for x
    x = 738,897,855,742.32/998,484.40
  6. Step 6: Final answer
    x = 740,019.43

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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.