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Finding the Fourth Proportional to 582,972.72, 874,575.72 and 209,024.88

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Solution

The fourth proportional to 582,972.72, 874,575.72 and 209,024.88 is: 313,579.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,972.72 : 874,575.72 = 209,024.88 : x
  2. Step 2: Convert to fraction form
    582,972.72/874,575.72 = 209,024.88/x
  3. Step 3: Cross multiply
    582,972.72x = 874,575.72 × 209,024.88
  4. Step 4: Simplify right side
    582,972.72x = 182,808,084,923.91
  5. Step 5: Solve for x
    x = 182,808,084,923.91/582,972.72
  6. Step 6: Final answer
    x = 313,579.14

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1.5x scale

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.