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Finding the Fourth Proportional to 580,647.34, 801,306 and 319,006.02

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Solution

The fourth proportional to 580,647.34, 801,306 and 319,006.02 is: 440,235.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,647.34 : 801,306 = 319,006.02 : x
  2. Step 2: Convert to fraction form
    580,647.34/801,306 = 319,006.02/x
  3. Step 3: Cross multiply
    580,647.34x = 801,306 × 319,006.02
  4. Step 4: Simplify right side
    580,647.34x = 255,621,437,862.12
  5. Step 5: Solve for x
    x = 255,621,437,862.12/580,647.34
  6. Step 6: Final answer
    x = 440,235.27

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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.