Home / 505,822.29-758,733.43-281,075.24

Finding the Fourth Proportional to 505,822.29, 758,733.43 and 281,075.24

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Solution

The fourth proportional to 505,822.29, 758,733.43 and 281,075.24 is: 421,612.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,822.29 : 758,733.43 = 281,075.24 : x
  2. Step 2: Convert to fraction form
    505,822.29/758,733.43 = 281,075.24/x
  3. Step 3: Cross multiply
    505,822.29x = 758,733.43 × 281,075.24
  4. Step 4: Simplify right side
    505,822.29x = 213,261,177,139.61
  5. Step 5: Solve for x
    x = 213,261,177,139.61/505,822.29
  6. Step 6: Final answer
    x = 421,612.85

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Double scale
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Similar ratio
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1.5x scale

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.