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Finding the Fourth Proportional to 518,548.86, 777,260.88 and 265,482.30

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Solution

The fourth proportional to 518,548.86, 777,260.88 and 265,482.30 is: 397,935.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,548.86 : 777,260.88 = 265,482.30 : x
  2. Step 2: Convert to fraction form
    518,548.86/777,260.88 = 265,482.30/x
  3. Step 3: Cross multiply
    518,548.86x = 777,260.88 × 265,482.30
  4. Step 4: Simplify right side
    518,548.86x = 206,349,006,122.42
  5. Step 5: Solve for x
    x = 206,349,006,122.42/518,548.86
  6. Step 6: Final answer
    x = 397,935.51

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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.