Home / 964,977.21-1,331,828.27-535,395.74

Finding the Fourth Proportional to 964,977.21, 1,331,828.27 and 535,395.74

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Solution

The fourth proportional to 964,977.21, 1,331,828.27 and 535,395.74 is: 738,934.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,977.21 : 1,331,828.27 = 535,395.74 : x
  2. Step 2: Convert to fraction form
    964,977.21/1,331,828.27 = 535,395.74/x
  3. Step 3: Cross multiply
    964,977.21x = 1,331,828.27 × 535,395.74
  4. Step 4: Simplify right side
    964,977.21x = 713,055,179,835.54
  5. Step 5: Solve for x
    x = 713,055,179,835.54/964,977.21
  6. Step 6: Final answer
    x = 738,934.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.