Home / 964,709.20-1,331,301.74-535,029.04

Finding the Fourth Proportional to 964,709.20, 1,331,301.74 and 535,029.04

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Solution

The fourth proportional to 964,709.20, 1,331,301.74 and 535,029.04 is: 738,341.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,709.20 : 1,331,301.74 = 535,029.04 : x
  2. Step 2: Convert to fraction form
    964,709.20/1,331,301.74 = 535,029.04/x
  3. Step 3: Cross multiply
    964,709.20x = 1,331,301.74 × 535,029.04
  4. Step 4: Simplify right side
    964,709.20x = 712,285,091,902.53
  5. Step 5: Solve for x
    x = 712,285,091,902.53/964,709.20
  6. Step 6: Final answer
    x = 738,341.76

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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.