Home / 838,921.18-1,257,884.06-333,210.10

Finding the Fourth Proportional to 838,921.18, 1,257,884.06 and 333,210.10

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Solution

The fourth proportional to 838,921.18, 1,257,884.06 and 333,210.10 is: 499,617.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,921.18 : 1,257,884.06 = 333,210.10 : x
  2. Step 2: Convert to fraction form
    838,921.18/1,257,884.06 = 333,210.10/x
  3. Step 3: Cross multiply
    838,921.18x = 1,257,884.06 × 333,210.10
  4. Step 4: Simplify right side
    838,921.18x = 419,139,673,421.01
  5. Step 5: Solve for x
    x = 419,139,673,421.01/838,921.18
  6. Step 6: Final answer
    x = 499,617.47

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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.