Home / 852,348.65-1,278,731.23-283,728.65

Finding the Fourth Proportional to 852,348.65, 1,278,731.23 and 283,728.65

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Solution

The fourth proportional to 852,348.65, 1,278,731.23 and 283,728.65 is: 425,662.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,348.65 : 1,278,731.23 = 283,728.65 : x
  2. Step 2: Convert to fraction form
    852,348.65/1,278,731.23 = 283,728.65/x
  3. Step 3: Cross multiply
    852,348.65x = 1,278,731.23 × 283,728.65
  4. Step 4: Simplify right side
    852,348.65x = 362,812,678,497.76
  5. Step 5: Solve for x
    x = 362,812,678,497.76/852,348.65
  6. Step 6: Final answer
    x = 425,662.29

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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.