Home / 483,025.40-724,538.10-128,075.30

Finding the Fourth Proportional to 483,025.40, 724,538.10 and 128,075.30

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Solution

The fourth proportional to 483,025.40, 724,538.10 and 128,075.30 is: 192,112.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,025.40 : 724,538.10 = 128,075.30 : x
  2. Step 2: Convert to fraction form
    483,025.40/724,538.10 = 128,075.30/x
  3. Step 3: Cross multiply
    483,025.40x = 724,538.10 × 128,075.30
  4. Step 4: Simplify right side
    483,025.40x = 92,795,434,518.93
  5. Step 5: Solve for x
    x = 92,795,434,518.93/483,025.40
  6. Step 6: Final answer
    x = 192,112.95

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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.