Home / 740,993.25-1,022,006.45-637,803.08

Finding the Fourth Proportional to 740,993.25, 1,022,006.45 and 637,803.08

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Solution

The fourth proportional to 740,993.25, 1,022,006.45 and 637,803.08 is: 879,682.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,993.25 : 1,022,006.45 = 637,803.08 : x
  2. Step 2: Convert to fraction form
    740,993.25/1,022,006.45 = 637,803.08/x
  3. Step 3: Cross multiply
    740,993.25x = 1,022,006.45 × 637,803.08
  4. Step 4: Simplify right side
    740,993.25x = 651,838,853,290.82
  5. Step 5: Solve for x
    x = 651,838,853,290.82/740,993.25
  6. Step 6: Final answer
    x = 879,682.58

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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.