Home / 775,478.75-1,163,218.52-243,041.24

Finding the Fourth Proportional to 775,478.75, 1,163,218.52 and 243,041.24

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Solution

The fourth proportional to 775,478.75, 1,163,218.52 and 243,041.24 is: 364,561.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,478.75 : 1,163,218.52 = 243,041.24 : x
  2. Step 2: Convert to fraction form
    775,478.75/1,163,218.52 = 243,041.24/x
  3. Step 3: Cross multiply
    775,478.75x = 1,163,218.52 × 243,041.24
  4. Step 4: Simplify right side
    775,478.75x = 282,710,071,491.77
  5. Step 5: Solve for x
    x = 282,710,071,491.77/775,478.75
  6. Step 6: Final answer
    x = 364,561.98

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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.