Home / 998,806.37-1,499,275.70-430,467.95

Finding the Fourth Proportional to 998,806.37, 1,499,275.70 and 430,467.95

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Solution

The fourth proportional to 998,806.37, 1,499,275.70 and 430,467.95 is: 646,161.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,806.37 : 1,499,275.70 = 430,467.95 : x
  2. Step 2: Convert to fraction form
    998,806.37/1,499,275.70 = 430,467.95/x
  3. Step 3: Cross multiply
    998,806.37x = 1,499,275.70 × 430,467.95
  4. Step 4: Simplify right side
    998,806.37x = 645,390,127,415.10
  5. Step 5: Solve for x
    x = 645,390,127,415.10/998,806.37
  6. Step 6: Final answer
    x = 646,161.41

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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.