Home / 979,125.13-1,468,355.04-339,279.58

Finding the Fourth Proportional to 979,125.13, 1,468,355.04 and 339,279.58

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Solution

The fourth proportional to 979,125.13, 1,468,355.04 and 339,279.58 is: 508,804.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,125.13 : 1,468,355.04 = 339,279.58 : x
  2. Step 2: Convert to fraction form
    979,125.13/1,468,355.04 = 339,279.58/x
  3. Step 3: Cross multiply
    979,125.13x = 1,468,355.04 × 339,279.58
  4. Step 4: Simplify right side
    979,125.13x = 498,182,881,262.08
  5. Step 5: Solve for x
    x = 498,182,881,262.08/979,125.13
  6. Step 6: Final answer
    x = 508,804.10

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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.