Home / 744,846.24-1,117,125.12-289,436.64

Finding the Fourth Proportional to 744,846.24, 1,117,125.12 and 289,436.64

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Solution

The fourth proportional to 744,846.24, 1,117,125.12 and 289,436.64 is: 434,098.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,846.24 : 1,117,125.12 = 289,436.64 : x
  2. Step 2: Convert to fraction form
    744,846.24/1,117,125.12 = 289,436.64/x
  3. Step 3: Cross multiply
    744,846.24x = 1,117,125.12 × 289,436.64
  4. Step 4: Simplify right side
    744,846.24x = 323,336,941,192.40
  5. Step 5: Solve for x
    x = 323,336,941,192.40/744,846.24
  6. Step 6: Final answer
    x = 434,098.91

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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.