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Finding the Fourth Proportional to 507,255.30, 760,545.26 and 304,394.64

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Solution

The fourth proportional to 507,255.30, 760,545.26 and 304,394.64 is: 456,389.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,255.30 : 760,545.26 = 304,394.64 : x
  2. Step 2: Convert to fraction form
    507,255.30/760,545.26 = 304,394.64/x
  3. Step 3: Cross multiply
    507,255.30x = 760,545.26 × 304,394.64
  4. Step 4: Simplify right side
    507,255.30x = 231,505,900,621.41
  5. Step 5: Solve for x
    x = 231,505,900,621.41/507,255.30
  6. Step 6: Final answer
    x = 456,389.32

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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.