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Finding the Fourth Proportional to 651,185.02, 898,642.11 and 360,805.47

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Solution

The fourth proportional to 651,185.02, 898,642.11 and 360,805.47 is: 497,915.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,185.02 : 898,642.11 = 360,805.47 : x
  2. Step 2: Convert to fraction form
    651,185.02/898,642.11 = 360,805.47/x
  3. Step 3: Cross multiply
    651,185.02x = 898,642.11 × 360,805.47
  4. Step 4: Simplify right side
    651,185.02x = 324,234,988,860.34
  5. Step 5: Solve for x
    x = 324,234,988,860.34/651,185.02
  6. Step 6: Final answer
    x = 497,915.31

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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.