Home / 738,528.63-1,107,793.28-233,140.81

Finding the Fourth Proportional to 738,528.63, 1,107,793.28 and 233,140.81

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Solution

The fourth proportional to 738,528.63, 1,107,793.28 and 233,140.81 is: 349,711.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,528.63 : 1,107,793.28 = 233,140.81 : x
  2. Step 2: Convert to fraction form
    738,528.63/1,107,793.28 = 233,140.81/x
  3. Step 3: Cross multiply
    738,528.63x = 1,107,793.28 × 233,140.81
  4. Step 4: Simplify right side
    738,528.63x = 258,271,815,907.09
  5. Step 5: Solve for x
    x = 258,271,815,907.09/738,528.63
  6. Step 6: Final answer
    x = 349,711.31

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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.