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Finding the Fourth Proportional to 459,364.72, 633,780.84 and 268,240.24

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Solution

The fourth proportional to 459,364.72, 633,780.84 and 268,240.24 is: 370,088.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,364.72 : 633,780.84 = 268,240.24 : x
  2. Step 2: Convert to fraction form
    459,364.72/633,780.84 = 268,240.24/x
  3. Step 3: Cross multiply
    459,364.72x = 633,780.84 × 268,240.24
  4. Step 4: Simplify right side
    459,364.72x = 170,005,524,629.00
  5. Step 5: Solve for x
    x = 170,005,524,629.00/459,364.72
  6. Step 6: Final answer
    x = 370,088.34

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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.