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Finding the Fourth Proportional to 577,314.36, 865,381.05 and 292,477.05

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Solution

The fourth proportional to 577,314.36, 865,381.05 and 292,477.05 is: 438,416.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,314.36 : 865,381.05 = 292,477.05 : x
  2. Step 2: Convert to fraction form
    577,314.36/865,381.05 = 292,477.05/x
  3. Step 3: Cross multiply
    577,314.36x = 865,381.05 × 292,477.05
  4. Step 4: Simplify right side
    577,314.36x = 253,104,096,629.90
  5. Step 5: Solve for x
    x = 253,104,096,629.90/577,314.36
  6. Step 6: Final answer
    x = 438,416.42

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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.