Home / 501,552.23-692,142.03-286,696.89

Finding the Fourth Proportional to 501,552.23, 692,142.03 and 286,696.89

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Solution

The fourth proportional to 501,552.23, 692,142.03 and 286,696.89 is: 395,641.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,552.23 : 692,142.03 = 286,696.89 : x
  2. Step 2: Convert to fraction form
    501,552.23/692,142.03 = 286,696.89/x
  3. Step 3: Cross multiply
    501,552.23x = 692,142.03 × 286,696.89
  4. Step 4: Simplify right side
    501,552.23x = 198,434,967,439.29
  5. Step 5: Solve for x
    x = 198,434,967,439.29/501,552.23
  6. Step 6: Final answer
    x = 395,641.69

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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.