Home / 979,121.13-1,468,349.04-339,275.58

Finding the Fourth Proportional to 979,121.13, 1,468,349.04 and 339,275.58

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Solution

The fourth proportional to 979,121.13, 1,468,349.04 and 339,275.58 is: 508,798.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,121.13 : 1,468,349.04 = 339,275.58 : x
  2. Step 2: Convert to fraction form
    979,121.13/1,468,349.04 = 339,275.58/x
  3. Step 3: Cross multiply
    979,121.13x = 1,468,349.04 × 339,275.58
  4. Step 4: Simplify right side
    979,121.13x = 498,174,972,188.44
  5. Step 5: Solve for x
    x = 498,174,972,188.44/979,121.13
  6. Step 6: Final answer
    x = 508,798.10

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1.5x scale

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.