Home / 738,379.20-1,107,568.80-561,232.20

Finding the Fourth Proportional to 738,379.20, 1,107,568.80 and 561,232.20

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Solution

The fourth proportional to 738,379.20, 1,107,568.80 and 561,232.20 is: 841,848.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,379.20 : 1,107,568.80 = 561,232.20 : x
  2. Step 2: Convert to fraction form
    738,379.20/1,107,568.80 = 561,232.20/x
  3. Step 3: Cross multiply
    738,379.20x = 1,107,568.80 × 561,232.20
  4. Step 4: Simplify right side
    738,379.20x = 621,603,274,275.36
  5. Step 5: Solve for x
    x = 621,603,274,275.36/738,379.20
  6. Step 6: Final answer
    x = 841,848.30

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Double scale
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Similar ratio
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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.