Home / 525,427.84-724,810.22-321,577.56

Finding the Fourth Proportional to 525,427.84, 724,810.22 and 321,577.56

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Solution

The fourth proportional to 525,427.84, 724,810.22 and 321,577.56 is: 443,605.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,427.84 : 724,810.22 = 321,577.56 : x
  2. Step 2: Convert to fraction form
    525,427.84/724,810.22 = 321,577.56/x
  3. Step 3: Cross multiply
    525,427.84x = 724,810.22 × 321,577.56
  4. Step 4: Simplify right side
    525,427.84x = 233,082,702,010.66
  5. Step 5: Solve for x
    x = 233,082,702,010.66/525,427.84
  6. Step 6: Final answer
    x = 443,605.54

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Double scale
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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.