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Finding the Fourth Proportional to 501,561.36, 692,154.62 and 286,706.04

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Solution

The fourth proportional to 501,561.36, 692,154.62 and 286,706.04 is: 395,654.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,561.36 : 692,154.62 = 286,706.04 : x
  2. Step 2: Convert to fraction form
    501,561.36/692,154.62 = 286,706.04/x
  3. Step 3: Cross multiply
    501,561.36x = 692,154.62 × 286,706.04
  4. Step 4: Simplify right side
    501,561.36x = 198,444,910,167.91
  5. Step 5: Solve for x
    x = 198,444,910,167.91/501,561.36
  6. Step 6: Final answer
    x = 395,654.30

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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.