Home / 547,288.23-820,960.02-210,210.71

Finding the Fourth Proportional to 547,288.23, 820,960.02 and 210,210.71

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Solution

The fourth proportional to 547,288.23, 820,960.02 and 210,210.71 is: 315,326.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,288.23 : 820,960.02 = 210,210.71 : x
  2. Step 2: Convert to fraction form
    547,288.23/820,960.02 = 210,210.71/x
  3. Step 3: Cross multiply
    547,288.23x = 820,960.02 × 210,210.71
  4. Step 4: Simplify right side
    547,288.23x = 172,574,584,581.01
  5. Step 5: Solve for x
    x = 172,574,584,581.01/547,288.23
  6. Step 6: Final answer
    x = 315,326.69

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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.