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Finding the Fourth Proportional to 572,271.90, 858,796.65 and 319,551.90

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Solution

The fourth proportional to 572,271.90, 858,796.65 and 319,551.90 is: 479,544.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,271.90 : 858,796.65 = 319,551.90 : x
  2. Step 2: Convert to fraction form
    572,271.90/858,796.65 = 319,551.90/x
  3. Step 3: Cross multiply
    572,271.90x = 858,796.65 × 319,551.90
  4. Step 4: Simplify right side
    572,271.90x = 274,430,101,221.14
  5. Step 5: Solve for x
    x = 274,430,101,221.14/572,271.90
  6. Step 6: Final answer
    x = 479,544.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.