Home / 746,380.40-1,030,002.36-406,848.68

Finding the Fourth Proportional to 746,380.40, 1,030,002.36 and 406,848.68

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Solution

The fourth proportional to 746,380.40, 1,030,002.36 and 406,848.68 is: 561,449.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,380.40 : 1,030,002.36 = 406,848.68 : x
  2. Step 2: Convert to fraction form
    746,380.40/1,030,002.36 = 406,848.68/x
  3. Step 3: Cross multiply
    746,380.40x = 1,030,002.36 × 406,848.68
  4. Step 4: Simplify right side
    746,380.40x = 419,055,100,562.89
  5. Step 5: Solve for x
    x = 419,055,100,562.89/746,380.40
  6. Step 6: Final answer
    x = 561,449.77

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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.