Home / 979,124.13-1,468,353.54-339,278.58

Finding the Fourth Proportional to 979,124.13, 1,468,353.54 and 339,278.58

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Solution

The fourth proportional to 979,124.13, 1,468,353.54 and 339,278.58 is: 508,802.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,124.13 : 1,468,353.54 = 339,278.58 : x
  2. Step 2: Convert to fraction form
    979,124.13/1,468,353.54 = 339,278.58/x
  3. Step 3: Cross multiply
    979,124.13x = 1,468,353.54 × 339,278.58
  4. Step 4: Simplify right side
    979,124.13x = 498,180,903,989.17
  5. Step 5: Solve for x
    x = 498,180,903,989.17/979,124.13
  6. Step 6: Final answer
    x = 508,802.60

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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.