Home / 579,157.15-867,979.13-322,979.50

Finding the Fourth Proportional to 579,157.15, 867,979.13 and 322,979.50

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Solution

The fourth proportional to 579,157.15, 867,979.13 and 322,979.50 is: 484,047.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,157.15 : 867,979.13 = 322,979.50 : x
  2. Step 2: Convert to fraction form
    579,157.15/867,979.13 = 322,979.50/x
  3. Step 3: Cross multiply
    579,157.15x = 867,979.13 × 322,979.50
  4. Step 4: Simplify right side
    579,157.15x = 280,339,465,417.84
  5. Step 5: Solve for x
    x = 280,339,465,417.84/579,157.15
  6. Step 6: Final answer
    x = 484,047.32

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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.