Home / 547,695.51-821,534.38-210,809.35

Finding the Fourth Proportional to 547,695.51, 821,534.38 and 210,809.35

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Solution

The fourth proportional to 547,695.51, 821,534.38 and 210,809.35 is: 316,210.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,695.51 : 821,534.38 = 210,809.35 : x
  2. Step 2: Convert to fraction form
    547,695.51/821,534.38 = 210,809.35/x
  3. Step 3: Cross multiply
    547,695.51x = 821,534.38 × 210,809.35
  4. Step 4: Simplify right side
    547,695.51x = 173,187,128,650.45
  5. Step 5: Solve for x
    x = 173,187,128,650.45/547,695.51
  6. Step 6: Final answer
    x = 316,210.61

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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.