Home / 775,479.03-1,163,218.94-243,041.52

Finding the Fourth Proportional to 775,479.03, 1,163,218.94 and 243,041.52

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Solution

The fourth proportional to 775,479.03, 1,163,218.94 and 243,041.52 is: 364,562.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,479.03 : 1,163,218.94 = 243,041.52 : x
  2. Step 2: Convert to fraction form
    775,479.03/1,163,218.94 = 243,041.52/x
  3. Step 3: Cross multiply
    775,479.03x = 1,163,218.94 × 243,041.52
  4. Step 4: Simplify right side
    775,479.03x = 282,710,499,270.39
  5. Step 5: Solve for x
    x = 282,710,499,270.39/775,479.03
  6. Step 6: Final answer
    x = 364,562.40

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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.