Home / 979,078.95-1,468,285.80-339,233.36

Finding the Fourth Proportional to 979,078.95, 1,468,285.80 and 339,233.36

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Solution

The fourth proportional to 979,078.95, 1,468,285.80 and 339,233.36 is: 508,734.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,078.95 : 1,468,285.80 = 339,233.36 : x
  2. Step 2: Convert to fraction form
    979,078.95/1,468,285.80 = 339,233.36/x
  3. Step 3: Cross multiply
    979,078.95x = 1,468,285.80 × 339,233.36
  4. Step 4: Simplify right side
    979,078.95x = 498,091,518,032.86
  5. Step 5: Solve for x
    x = 498,091,518,032.86/979,078.95
  6. Step 6: Final answer
    x = 508,734.78

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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.