Home / 628,568-867,423.84-360,451.52

Finding the Fourth Proportional to 628,568, 867,423.84 and 360,451.52

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Solution

The fourth proportional to 628,568, 867,423.84 and 360,451.52 is: 497,423.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,568 : 867,423.84 = 360,451.52 : x
  2. Step 2: Convert to fraction form
    628,568/867,423.84 = 360,451.52/x
  3. Step 3: Cross multiply
    628,568x = 867,423.84 × 360,451.52
  4. Step 4: Simplify right side
    628,568x = 312,664,241,612.24
  5. Step 5: Solve for x
    x = 312,664,241,612.24/628,568
  6. Step 6: Final answer
    x = 497,423.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.