Home / 775,577.90-1,163,476.20-243,043.40

Finding the Fourth Proportional to 775,577.90, 1,163,476.20 and 243,043.40

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Solution

The fourth proportional to 775,577.90, 1,163,476.20 and 243,043.40 is: 364,599.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,577.90 : 1,163,476.20 = 243,043.40 : x
  2. Step 2: Convert to fraction form
    775,577.90/1,163,476.20 = 243,043.40/x
  3. Step 3: Cross multiply
    775,577.90x = 1,163,476.20 × 243,043.40
  4. Step 4: Simplify right side
    775,577.90x = 282,775,211,467.08
  5. Step 5: Solve for x
    x = 282,775,211,467.08/775,577.90
  6. Step 6: Final answer
    x = 364,599.37

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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.