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Finding the Fourth Proportional to 540,369.83, 810,553.74 and 507,486.97

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Solution

The fourth proportional to 540,369.83, 810,553.74 and 507,486.97 is: 761,229.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,369.83 : 810,553.74 = 507,486.97 : x
  2. Step 2: Convert to fraction form
    540,369.83/810,553.74 = 507,486.97/x
  3. Step 3: Cross multiply
    540,369.83x = 810,553.74 × 507,486.97
  4. Step 4: Simplify right side
    540,369.83x = 411,345,460,644.88
  5. Step 5: Solve for x
    x = 411,345,460,644.88/540,369.83
  6. Step 6: Final answer
    x = 761,229.51

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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.