Home / 964,738-1,331,338.44-535,083.92

Finding the Fourth Proportional to 964,738, 1,331,338.44 and 535,083.92

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Solution

The fourth proportional to 964,738, 1,331,338.44 and 535,083.92 is: 738,415.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,738 : 1,331,338.44 = 535,083.92 : x
  2. Step 2: Convert to fraction form
    964,738/1,331,338.44 = 535,083.92/x
  3. Step 3: Cross multiply
    964,738x = 1,331,338.44 × 535,083.92
  4. Step 4: Simplify right side
    964,738x = 712,377,791,321.89
  5. Step 5: Solve for x
    x = 712,377,791,321.89/964,738
  6. Step 6: Final answer
    x = 738,415.81

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1.5x scale

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.