Home / 507,218.08-760,975.32-226,669.72

Finding the Fourth Proportional to 507,218.08, 760,975.32 and 226,669.72

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Solution

The fourth proportional to 507,218.08, 760,975.32 and 226,669.72 is: 340,070.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,218.08 : 760,975.32 = 226,669.72 : x
  2. Step 2: Convert to fraction form
    507,218.08/760,975.32 = 226,669.72/x
  3. Step 3: Cross multiply
    507,218.08x = 760,975.32 × 226,669.72
  4. Step 4: Simplify right side
    507,218.08x = 172,490,062,711.31
  5. Step 5: Solve for x
    x = 172,490,062,711.31/507,218.08
  6. Step 6: Final answer
    x = 340,070.81

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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.