Home / 746,647.38-1,030,374.41-407,115.63

Finding the Fourth Proportional to 746,647.38, 1,030,374.41 and 407,115.63

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Solution

The fourth proportional to 746,647.38, 1,030,374.41 and 407,115.63 is: 561,820.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,647.38 : 1,030,374.41 = 407,115.63 : x
  2. Step 2: Convert to fraction form
    746,647.38/1,030,374.41 = 407,115.63/x
  3. Step 3: Cross multiply
    746,647.38x = 1,030,374.41 × 407,115.63
  4. Step 4: Simplify right side
    746,647.38x = 419,481,525,027.45
  5. Step 5: Solve for x
    x = 419,481,525,027.45/746,647.38
  6. Step 6: Final answer
    x = 561,820.13

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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.