Home / 738,009.20-1,107,013.80-264,742.40

Finding the Fourth Proportional to 738,009.20, 1,107,013.80 and 264,742.40

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Solution

The fourth proportional to 738,009.20, 1,107,013.80 and 264,742.40 is: 397,113.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,009.20 : 1,107,013.80 = 264,742.40 : x
  2. Step 2: Convert to fraction form
    738,009.20/1,107,013.80 = 264,742.40/x
  3. Step 3: Cross multiply
    738,009.20x = 1,107,013.80 × 264,742.40
  4. Step 4: Simplify right side
    738,009.20x = 293,073,490,245.12
  5. Step 5: Solve for x
    x = 293,073,490,245.12/738,009.20
  6. Step 6: Final answer
    x = 397,113.60

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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.