Home / 771,540.51-1,156,749.98-322,389.93

Finding the Fourth Proportional to 771,540.51, 1,156,749.98 and 322,389.93

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Solution

The fourth proportional to 771,540.51, 1,156,749.98 and 322,389.93 is: 483,350.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,540.51 : 1,156,749.98 = 322,389.93 : x
  2. Step 2: Convert to fraction form
    771,540.51/1,156,749.98 = 322,389.93/x
  3. Step 3: Cross multiply
    771,540.51x = 1,156,749.98 × 322,389.93
  4. Step 4: Simplify right side
    771,540.51x = 372,924,543,467.75
  5. Step 5: Solve for x
    x = 372,924,543,467.75/771,540.51
  6. Step 6: Final answer
    x = 483,350.57

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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.