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Finding the Fourth Proportional to 501,886.59, 692,557.47 and 297,902.67

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Solution

The fourth proportional to 501,886.59, 692,557.47 and 297,902.67 is: 411,078.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,886.59 : 692,557.47 = 297,902.67 : x
  2. Step 2: Convert to fraction form
    501,886.59/692,557.47 = 297,902.67/x
  3. Step 3: Cross multiply
    501,886.59x = 692,557.47 × 297,902.67
  4. Step 4: Simplify right side
    501,886.59x = 206,314,719,441.45
  5. Step 5: Solve for x
    x = 206,314,719,441.45/501,886.59
  6. Step 6: Final answer
    x = 411,078.37

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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.