Home / 979,768.20-1,468,269.90-480,030.60

Finding the Fourth Proportional to 979,768.20, 1,468,269.90 and 480,030.60

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Solution

The fourth proportional to 979,768.20, 1,468,269.90 and 480,030.60 is: 719,368.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,768.20 : 1,468,269.90 = 480,030.60 : x
  2. Step 2: Convert to fraction form
    979,768.20/1,468,269.90 = 480,030.60/x
  3. Step 3: Cross multiply
    979,768.20x = 1,468,269.90 × 480,030.60
  4. Step 4: Simplify right side
    979,768.20x = 704,814,481,058.94
  5. Step 5: Solve for x
    x = 704,814,481,058.94/979,768.20
  6. Step 6: Final answer
    x = 719,368.60

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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.