Home / 347,025.80-520,538.70-268,293.80

Finding the Fourth Proportional to 347,025.80, 520,538.70 and 268,293.80

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Solution

The fourth proportional to 347,025.80, 520,538.70 and 268,293.80 is: 402,440.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,025.80 : 520,538.70 = 268,293.80 : x
  2. Step 2: Convert to fraction form
    347,025.80/520,538.70 = 268,293.80/x
  3. Step 3: Cross multiply
    347,025.80x = 520,538.70 × 268,293.80
  4. Step 4: Simplify right side
    347,025.80x = 139,657,305,870.06
  5. Step 5: Solve for x
    x = 139,657,305,870.06/347,025.80
  6. Step 6: Final answer
    x = 402,440.70

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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.