Home / 567,962.09-783,647.82-347,143.44

Finding the Fourth Proportional to 567,962.09, 783,647.82 and 347,143.44

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Solution

The fourth proportional to 567,962.09, 783,647.82 and 347,143.44 is: 478,972.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,962.09 : 783,647.82 = 347,143.44 : x
  2. Step 2: Convert to fraction form
    567,962.09/783,647.82 = 347,143.44/x
  3. Step 3: Cross multiply
    567,962.09x = 783,647.82 × 347,143.44
  4. Step 4: Simplify right side
    567,962.09x = 272,038,199,983.30
  5. Step 5: Solve for x
    x = 272,038,199,983.30/567,962.09
  6. Step 6: Final answer
    x = 478,972.47

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1.5x scale

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.