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Finding the Fourth Proportional to 509,260.74, 702,516.27 and 345,925.65

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Solution

The fourth proportional to 509,260.74, 702,516.27 and 345,925.65 is: 477,198.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,260.74 : 702,516.27 = 345,925.65 : x
  2. Step 2: Convert to fraction form
    509,260.74/702,516.27 = 345,925.65/x
  3. Step 3: Cross multiply
    509,260.74x = 702,516.27 × 345,925.65
  4. Step 4: Simplify right side
    509,260.74x = 243,018,397,335.33
  5. Step 5: Solve for x
    x = 243,018,397,335.33/509,260.74
  6. Step 6: Final answer
    x = 477,198.37

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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.