Home / 789,384.13-1,183,069.50-384,672.95

Finding the Fourth Proportional to 789,384.13, 1,183,069.50 and 384,672.95

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Solution

The fourth proportional to 789,384.13, 1,183,069.50 and 384,672.95 is: 576,518.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,384.13 : 1,183,069.50 = 384,672.95 : x
  2. Step 2: Convert to fraction form
    789,384.13/1,183,069.50 = 384,672.95/x
  3. Step 3: Cross multiply
    789,384.13x = 1,183,069.50 × 384,672.95
  4. Step 4: Simplify right side
    789,384.13x = 455,094,831,698.67
  5. Step 5: Solve for x
    x = 455,094,831,698.67/789,384.13
  6. Step 6: Final answer
    x = 576,518.85

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Double scale
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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.