Home / 743,425.74-1,025,907.57-437,520.15

Finding the Fourth Proportional to 743,425.74, 1,025,907.57 and 437,520.15

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Solution

The fourth proportional to 743,425.74, 1,025,907.57 and 437,520.15 is: 603,766.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,425.74 : 1,025,907.57 = 437,520.15 : x
  2. Step 2: Convert to fraction form
    743,425.74/1,025,907.57 = 437,520.15/x
  3. Step 3: Cross multiply
    743,425.74x = 1,025,907.57 × 437,520.15
  4. Step 4: Simplify right side
    743,425.74x = 448,855,233,912.54
  5. Step 5: Solve for x
    x = 448,855,233,912.54/743,425.74
  6. Step 6: Final answer
    x = 603,766.07

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.