Home / 740,992.75-1,022,005.76-637,802.57

Finding the Fourth Proportional to 740,992.75, 1,022,005.76 and 637,802.57

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Solution

The fourth proportional to 740,992.75, 1,022,005.76 and 637,802.57 is: 879,681.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,992.75 : 1,022,005.76 = 637,802.57 : x
  2. Step 2: Convert to fraction form
    740,992.75/1,022,005.76 = 637,802.57/x
  3. Step 3: Cross multiply
    740,992.75x = 1,022,005.76 × 637,802.57
  4. Step 4: Simplify right side
    740,992.75x = 651,837,900,282.80
  5. Step 5: Solve for x
    x = 651,837,900,282.80/740,992.75
  6. Step 6: Final answer
    x = 879,681.89

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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.