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Finding the Fourth Proportional to 582,210.72, 803,364.48 and 327,546.72

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Solution

The fourth proportional to 582,210.72, 803,364.48 and 327,546.72 is: 451,965.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,210.72 : 803,364.48 = 327,546.72 : x
  2. Step 2: Convert to fraction form
    582,210.72/803,364.48 = 327,546.72/x
  3. Step 3: Cross multiply
    582,210.72x = 803,364.48 × 327,546.72
  4. Step 4: Simplify right side
    582,210.72x = 263,139,400,388.51
  5. Step 5: Solve for x
    x = 263,139,400,388.51/582,210.72
  6. Step 6: Final answer
    x = 451,965.91

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1.5x scale

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.