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Finding the Fourth Proportional to 577,837.60, 866,410.80 and 297,901.60

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Solution

The fourth proportional to 577,837.60, 866,410.80 and 297,901.60 is: 446,674.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,837.60 : 866,410.80 = 297,901.60 : x
  2. Step 2: Convert to fraction form
    577,837.60/866,410.80 = 297,901.60/x
  3. Step 3: Cross multiply
    577,837.60x = 866,410.80 × 297,901.60
  4. Step 4: Simplify right side
    577,837.60x = 258,105,163,577.28
  5. Step 5: Solve for x
    x = 258,105,163,577.28/577,837.60
  6. Step 6: Final answer
    x = 446,674.23

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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.